JPH1035530A - Small passenger work vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To satisfy weight balance and improve vehicle stability at the time of steering operation, by arranging a transmission case in the vicinity of a front wheel and arranging an engine in the vicinity of a rear wheel in the case that the transmission case, the engine and a fuel tank are arranged on a main frame in an axle between the front wheel and the rear wheel. SOLUTION: A pair of right and left front wheels 3, 3 are attached in the front part of the vehicle body frame 1 of a small passenger work vehicle A through front axle cases, and also a pair of right and left rear wheels 5, 5 is attached in the rear part thereof through rear axle cases 4, so that a vehicle body supporting structural body is formed, then an operation part, a transmission case 8, an engine 9, a fuel tank, and so on are arranged in this vehicle body supporting structural body. At this time, the transmission case 8 is arranged in the lower position of the seat supporting base 33 of the operation part and in the vicinity of front axles 3a, and the engine 9 is arranged in the rear position of this transmission case 8 and in the vicinity of rear axles 5a. Also, the transmission case 8 and the engine 9 are respectively arranged in a position equal to or higher than ground clearances of main frames 20, 20.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a small-sized riding work vehicle.

[0002]

2. Description of the Related Art Conventionally, as one form of a small passenger work vehicle,
Install the engine and the transmission case at the front of the body frame,
Along with the driving section behind, the front axle case is linked to the transmission case, and the front wheels are attached to the left and right ends of the front axle case,
A rear axle case is provided at the rear of a vehicle body frame, which is interlocked to the transmission case via a transmission shaft, and rear wheels are attached to left and right ends of the rear axle case, respectively.

[0003] The engine and the transmission case are arranged immediately above or in front of the front axle.

On the other hand, as one form of a small passenger work vehicle, there is a vehicle in which an engine and a transmission case are disposed immediately above or behind a rear axle.

[0005]

However, in the above-mentioned small passenger work vehicle, since the heavy engine and the transmission case are arranged near the upper part of the front axle or the upper part of the rear axle, The center of gravity is shifted toward the front or rear, the weight balance is poor, and there is a problem in the stability of the vehicle body during steering operation.

[0006]

Therefore, according to the present invention, a pair of left and right front wheels are mounted on a pair of left and right main frames extending in the front-rear direction via a front axle case, and a pair of left and right rear wheels are connected to a rear axle. A transmission case, an engine and a fuel tank are arranged on the main frame between the front and rear axles, and a transmission case is arranged near the front axle; and And a small-sized passenger work vehicle characterized in that an engine is arranged in the vicinity of the vehicle.

Further, according to the present invention, the transmission case and the engine are respectively disposed at a position equal to or higher than the ground height of the main frame, and the transmission case is disposed at a front portion on the main frame. A pair of left and right front axle cases are interlocked and connected to each other, and a rear axle case arranged behind the transmission case is interlocked via a transmission shaft, and a side clutch is provided on the rear axle case. It is also characterized in that the driver's seat is arranged immediately above the transmission case arranged in the upper front part.

[0008]

Embodiments of the present invention will be described below.

In the small passenger work vehicle according to the present invention, a pair of left and right front wheels is mounted on a front portion of a pair of left and right main frames via a front axle case, and a pair of left and right rear wheels is mounted on a rear portion via a rear axle case. Attached to form a vehicle body support structure.

[0010] An operating section, a transmission case, an engine, and a fuel tank are provided on the vehicle body supporting structure, an elevating mechanism is attached to the rear end of the body frame via a stay, and a luggage container is attached to the elevating mechanism.

As described above, the vehicle body support structure is constituted by the pair of left and right main frames, the pair of left and right front axle cases, the rear axle, and the pair of left and right front and rear wheels, and thereby, is constituted by the vehicle body wheels. The weight of the body support structure has been significantly reduced.

Moreover, since power lines such as a transmission case and an engine are not used as constituent members of the vehicle body support structure, the weight of these power lines can be reduced.

A sub-frame is attached to the main frame, and a front frame forming pipe extending between the front ends of the left and right main frames extending in the left-right width direction, and a left and right side of the front frame forming pipe. A left and right frame forming pipe extending rearward from the end, wherein the left and right frame forming pipes have a stepped surface forming portion inclined downward and rearward from a front end, and a rear end of the stepped surface forming portion. And a laterally inclined portion that is inclined rearward and upward from the vehicle to the side position of the seat of the driving section, and by forming the tread surface portion in the tread surface forming portion, when traveling on a downward slope road surface, However, it is possible to put the foot on the tread surface and to step on it, thereby eliminating the fear of the operator.

The left and right frame forming pipes are arranged directly above the front and rear wheels so that the left and right frame forming pipes come into contact with the planted fruit trees as the outer peripheral edge of the machine. Even if there is, the fruit tree can be protected without damaging the fruit tree, and the left and right frame forming pipes function as guard frames to protect the operator.

A grip portion is provided at a side inclined portion of the left and right frame forming pipes, and the grip portion is arranged on a side of a seat of the driving unit. The user can easily get on and off by gripping the part.

At the position immediately behind the seat provided in the driving unit, a roll bar formed in a front view portal shape is straddled between the left and right frame forming pipes, so that the operator can travel when traveling on an upward slope. I am trying to give a sense of security.

[0017] The roll bar can be freely raised and lowered between a position that stands substantially vertically and a position that is laid down rearward at a position near a backrest provided on a seat of the driving unit.
If necessary, the roll bar can be raised to protect the operator, or the roll bar can be laid down to load luggage and the like.

When storing the apparatus in a hangar or the like,
By lowering the roll bar, the storage space can be reduced.

By providing a sun visor portion that projects forward on the top of the roll bar, it is possible to protect the operator from direct sunlight and reduce operator fatigue.

By arranging the handle post on the front portion of the main frame in a direction substantially perpendicular to the tread surface forming portion of the sub-frame, the operator sitting on the seat of the driver can use the tread formed in the tread surface forming portion. The handle mounted on the upper end of the handle post can be operated in a comfortable posture in which the foot is placed on the surface, and the operability of the handle can be improved.

The sub-frame and the roll bar can be formed in a three-dimensional space by freely bending in a three-dimensional space by being formed of a round pipe. In addition, the number of welding parts can be reduced and the design can be improved. So that it can be enhanced.

A pair of left and right front wheels are mounted on a pair of left and right main frames extending in the front-rear direction via a front axle case, and a pair of right and left rear wheels are mounted via a rear axle case. Between the respective axles, the transmission case and the engine are arranged on the main frame, the transmission case is arranged near the front axle, and the engine is arranged near the rear axle. The weight balance is improved, and the stability of the vehicle body during steering operation is improved.

In addition, the transmission case and the engine are arranged at a position equal to or higher than the ground height of the main frame, respectively, so that farming can be performed while the machine is running over a ridge formed in a field. At this time, the transmission case and the engine are prevented from hitting ridges and crops.

A transmission case is arranged at the front of the main frame, a pair of left and right front axle cases are interlockedly connected to the transmission case, and a rear axle case arranged behind the transmission case is connected to the transmission case via a transmission shaft. By interlocking and connecting the side axle to the rear axle case, steering operation can be performed by four-wheel drive, making it possible to travel easily on mountainous areas with many sloping roads, and turning performance by operating the side clutch. We have ensured that it can be secured well.

The driver's seat is arranged at a position directly above the transmission case arranged at the front of the main frame, so that the line of sight of an operator who sits on the seat and performs steering operation is secured at a high position. As a result, the visibility in front of the vehicle body can be ensured well, and the safety at the time of steering operation can be enhanced.

The frame structure includes a pair of left and right main frames extending in the front-rear direction along the left and right sides of the engine, and a loop-shaped step frame swelling left and right at the front of both main frames. By mounting and forming a pair of left and right subframes extending rearward from the rear of the step frame, it is possible to reduce the weight while maintaining rigidity, and to reduce the number of parts of the frame structure. ing.

The step frame can be formed by being bent in a free direction in a three-dimensional space by being formed of a round pipe, and the number of welded parts can be reduced to improve the design. Like that.

By providing the accessory storage section on the upper part of the hood, small articles such as tools necessary for maintenance work can be stored in the accessory storage section so that maintenance can be performed quickly even at the farm work site. ing.

Moreover, since the accessory storage section is provided above the bonnet, the operator can enter and exit tools and the like with the accessory storage section in a comfortable posture.

The height of the operator's viewpoint can be appropriately changed by adjusting the position of the seat according to work conditions by making the seat provided in the driving unit adjustable in the elevating position. And work safety.

A pair of left and right sub-frames extending in the front-rear direction are arranged at upper left and right outer positions of the main frame, and a reflector is attached to a rear end of each sub-frame, so that the main body can be reflected from the rear during night driving. It is made visible through.

Further, the reflector is mounted at the rear end of the sub-frame disposed at the upper left and right outer positions of the main frame, so that the reflector can be easily viewed from behind.
It is designed to ensure safety during night driving.

When the sub-frame is a hollow pipe, the rear end of the sub-frame can be closed by a reflector. It is possible to prevent dust and the like from entering.

By providing an elevating mechanism at the rear end of the main frame, and attaching a luggage container to the elevating mechanism, when the luggage needs to be transported, the luggage can be accommodated in the luggage container and transported. Like that.

In addition, the luggage container is adjusted to a height at which luggage can be easily loaded and unloaded by raising and lowering the lifting mechanism so that the loading and unloading operation can be performed smoothly.

[0036]

Embodiments of the present invention will be described below with reference to the drawings.

A shown in FIGS. 1 to 3 is a first embodiment according to the present invention.
The small passenger work vehicle A according to the embodiment has a pair of left and right front wheels 3 mounted on a front part of a body frame 1 via a front axle case 2 and a rear axle case 4 mounted on a rear part. The rear axle case 4 has side clutches 4a, 4a provided on the left and right sides of the rear axle case 4, respectively. 3a is a front axle, 5a is a rear axle.

An operating unit 7, a transmission case 8, an engine 9, a fuel tank 10, and a muffler 11 are provided on the vehicle body support structure 6, and an elevating mechanism 12 is provided at the rear end of the vehicle body frame 1 by a stay 13.
The luggage container 14 is attached to the lifting mechanism 12.

In this embodiment, the luggage container 14 is attached to the lifting mechanism 12. However, the lifting mechanism 12 may be equipped with various working machines such as a tilling machine. More power can be taken out and driven.

As shown in FIGS. 1 to 3, the body frame 1 has a pair of left and right main frames 20, 2 extending in the front-rear direction.
0 and a substantially U-shaped sub-frame 21 erected between the front ends and the rear ends of the main frames 20, 20, and a front-view portal type erected on the sub-frame 21 so as to be capable of being turned upside down. Roll bar 22 and the rear ends of the main frames 20, 20 and the subframe
21 and a support frame 23 interposed between the rear frame 21 and the rear end.

The sub-frame 21 includes a front frame forming pipe 24 extending between the front ends of the left and right main frames 20, 20 and extending in the left-right width direction.
The left and right frame forming pipes 25, 25 extend rearward from the left and right ends of the frame 24.

The left and right frame forming pipes 25, 25
Are located immediately above the front and rear wheels 3, 3, 5, and 5, respectively, and have sloped surface forming portions 25a, 25a inclined downward and rearward from the front end, and rear portions of the respective stretched surface forming portions 25a, 25a. Side inclined portions 25b, 25b inclined rearward and upward from the end to the side position of the seat 36 of the driving section 7 to be described later;
The rear extension portions 25c extend substantially horizontally from the rear ends of the main frames 20, 25 to the upper positions of the rear ends of the main frames 20, 20, respectively.

The side inclined portions 25b, 25b are provided with grip portions 26, 26, respectively, and the grip portions 26, 26 are disposed on the left and right sides of the seat 36 of the driving unit 7.

[0044] Reflectors 70, 70 are attached to the rear ends of the side inclined portions 25b, 25b, respectively.

Further, left and right tread surface forming portions 25a, 25
a, an inclined tread surface portion 71 extending from the front end toward the lower rear on the same plane as the tread surface formation portions 25a, 25a, and the operator places his foot on the tread surface portion 71. The handle operation can be performed in a comfortable posture, and the operator can step on the step surface 71 when traveling on a downward slope.

The roll bar 22 is located at a position immediately behind the seat of the driving section 7 and has a rear extension 25c, 25c of the sub-frame 21.
c, a pair of right and left support portions 22a, 22a, and a sun visor portion 22b extending between the upper ends of the support portions 22a, 22a and extending forward in a U-shape in plan view. doing.
Reference numeral 72 denotes a hood mounted on the sun visor section 22b. The hood 72 is appropriately mounted at a time when the sunshine is strong, so that the operator can be protected from direct sunlight.

The pair of right and left support portions 22a, 22a have lower end portions on the rear extension portions 25c, 25c, respectively.
The upper and lower vertical brackets 29, 29 are attached to the rear surfaces of the lower ends of the columns 22a, 22a.
On the other hand, a pair of upper and lower fixing pin holes 29a, 29a, 29a, 29a are formed on the upper and lower surfaces of the supporting brackets 27, 27, respectively.

In addition, the roll bar 22 is pivoted about the pivots 28 between a position that stands substantially vertically near a backrest provided on the seat of the driving unit 7 and a position that falls down rearward. The fixing pin holes 27a, 29a formed on the support brackets 27, 27 and the fixing brackets 29, 29 at the standing position and the falling position are aligned with each other, and the fixed pin holes are aligned.
The roll bar 22 can be fixed by inserting a fixing pin 30 into 27a and 29a.

Here, the main frames 20, 20, the sub-frame 21, and the roll bar 22, which are the respective components of the body frame 1, are each formed using a round pipe.

As shown in FIGS. 1 to 3, the operating portion 7 has a handle post 31 erected at the front end of the main frames 20, 20 in a direction substantially orthogonal to the tread surface forming portions 25 a, 25 a of the sub-frame 21. The handle 32 is attached to the upper end of the handle post 31, and the main frame located behind the handle 32
A seat support 33 is disposed on the seat support 20, 20 and a seat support plate 34 is placed on the seat support 33 via a seat elevating mechanism 35 so as to be adjustable in a vertical position. Is placed. 36a is a seat, and 36b is a backrest.

In addition, the seat 36 has a mounting bracket 37 projecting downward at the front lower surface thereof and a plurality of mounting holes 37a formed in the mounting bracket 37 at intervals in the front-rear direction.
34, a pivot bracket 38 having a pivot hole 38a is provided so as to protrude therefrom, and a mounting bracket 38 is attached to the pivot hole 38a of the pivot bracket 38.
The seat 36 can be freely adjusted in the front-rear position and can be turned forward by turning any one of the mounting holes 37a of the 37 and matching with each other, and inserting and supporting the pivot pin 39. 40 is a cushion rubber.

Further, the above-mentioned seat elevating mechanism 35 has an elevating / lowering adjusting lever 35a, and by operating the elevating / lowering adjusting lever 35a, the seat 36 can be adjusted up / down position via the seat support plate 34.

A movable shaft case provided at the lower end of the handle post 31 and the left and right ends of the front axle case 2
A steering mechanism (not shown) is interposed between the front wheels 2b and 2b so that the front wheels can be steered.

A transmission case 8 is disposed below the seat support 33 in the vicinity of the front axle 3a. The engine is disposed in a position behind the transmission case 8 and in the vicinity of the rear axle 5a. 9 and a fuel tank 10 is disposed on the right side of the engine 9. These are a front axle 3a and a rear axle 5a.
And the main frame (20,
It is located at a position equal to or higher than the ground clearance (H) in 20). Reference numeral 41 denotes a battery, and reference numeral 42 denotes a transmission belt wound between the output pulley 9a of the engine 9 and the input pulley 8a of the transmission case 8.

The transmission case 8 has the front axle case 2 interlocked and connected thereto.
Are interlockingly connected via a transmission shaft (not shown).

The upper part of the engine 9 and the fuel tank 10 is shown in FIG.
As shown in FIG. 4, it is covered with a bonnet 45, and an accessory storage section 46 is provided above the bonnet 45.

In the accessory storage section 46, a recess 46a having an upper surface opening is formed in the ceiling wall of the bonnet 45, and an opening / closing lid 46b is attached to the recess 46a so as to be freely opened and closed. 46c is an opening / closing pivot, 46d is a closure locking hook, and 46e is a hook receiver.

As shown in FIG. 1, the lifting mechanism 12 includes a pair of left and right lift arms 12a, 12a and a pair of left and right lower links 12b,
12b, lift links 12c and 12c, a top link 12d, and a lift cylinder (not shown).

The luggage container 14 is provided with a top link connecting piece 14a at the upper part of the front wall, and the lower link connecting pieces 14b, 14b at the lower part of the front wall.
And are detachably attached to the top link 12d and the lower links 12b, 12b of the lifting mechanism 12 by connecting pins 47, 48.

FIGS. 5 and 6 show a small passenger work vehicle A as a second embodiment. The small passenger work vehicle A has a basic structure similar to that of the first embodiment. Same, but without forming rear extension portions 25c, 25c in the left and right frame forming pipes 25, 25 of the subframe 21, bending the rear ends of the side inclined portions 25b, 25b vertically upward to roll The bar support portions 25d, 25d are formed, and the roll bar support portions 25d are formed.
The difference is that the roll bar 22 is straddled between d and 25d so that the roll bar 22 can be raised and lowered.

In FIGS. 5 and 6, reference numeral 73 denotes a roll bar.
The mounting brackets 73a, 25e mounted on the lower ends of the support portions 22a, 22a of 22 are fixing pin holes formed in the mounting bracket 73 and the roll bar support portion 25d, respectively, and are fixed in the corresponding fixing pin holes 73a, 25e. By inserting and removing the pin 30, the roll bar 22 can be fixed to the standing position and the falling position.

FIGS. 7 and 8 show a small passenger work vehicle A as a third embodiment. The small passenger work vehicle A has a basic structure similar to that of the first embodiment. Although the same is true, the shape of the vehicle body frame 1, the mounting structure of the front axle case 2, and the shape and the arrangement position of the fuel tank 10 are different, and different portions will be described below.

That is, as shown in FIGS. 7 and 8, the body frame 1 includes a pair of left and right main frames 20, 20 extending in the front-rear direction along the left and right sides of the engine 9, and both main frames 20, 20. And a pair of left and right sub-frames 21 and 21 formed by extending toward the rear from the rear left and right positions of the step frame 50 and attached to the front of the step frame 50 and bulging left and right. A substantially U-shaped support frame 23 is provided between the rear ends of the sub-frames 21 and 21 and the rear ends of the main frames 20 and 20.

The main frames 20, 20 and the step frame 50 are arranged on the same horizontal plane, and the sub-frames 21, 21 extend rearward and upward from the front end to a position on the front end side of the seat 36 of the driving section 7. Inclined front inclined portions 21a, 21a; side inclined portions 21b, 21b inclined rearward and upward from a rear end of the front inclined portions 21a, 21a to a rear end side position of the engine 9; And a connecting portion 21c for connecting the front ends of the inclined portions 21b, 21b. Reference numeral 67 denotes a seat support frame laid between the middle portions of the pair of left and right side inclined portions 21b, 21b.

By forming the body frame 1 in this manner, the weight and the number of parts can be reduced while securing the required rigidity.

A handle post support 51 is provided between the front portions of the main frames 20, 20, and the handle post 31 is erected on the support 51 so as to be inclined rearward and upward.
52 is a pitman arm and 62 is a handle column.

The front axle case 2 is shown in FIGS.
As shown in FIG. 3, an L-shaped case support 53 is provided between the main frame 20 and the sub-frame 21, and the upper portion of the vertically long fixed side shaft case 2a is fixed to the case support 53. The upper end of the vertically long movable side shaft case 2b is coaxially connected to the lower end of the fixed side shaft case 2a so as to be rotatable around the axis, and the front axle 3 and the front axle 3a are connected to the lower end of the movable side shaft case 2b. Mounting through. 54 is a vertical axis passing through the fixed-side shaft case 2a and the movable-side shaft case 2b, 55 and 56 are upper and lower bevel gears attached to the upper and lower ends of the vertical axis 54, and 57 is a front axle 3a.
And a large-diameter bevel gear 58 meshed with the lower bevel gear 56, and 58 is a fixing bolt.

The upper portion of the fixed side shaft case 2a of the front axle case 2 is linked to the transmission case 8 via a horizontally long transmission shaft 59. Reference numeral 60 denotes a transmission bevel gear attached to the transmission shaft 59 and meshed with the upper bevel gear 55. Reference numeral 61 denotes a transmission shaft insertion hole formed in the case support 53.

The front axle case 2 is detachably attached to the case support 53 via fixing bolts 58 so that maintenance and assembling work can be performed easily. 53
A tread adjusting cylinder (not shown) is interposed between the front wheels 3 and 3 so that the tread of the front wheels 3 and 3 can be easily adjusted.

A steering mechanism (not shown) is provided between the knuckle arm 2c protruding from the movable side shaft case 2b and the pitman arm 52 so that a steering operation can be performed.

As shown in FIGS. 7 and 8, the fuel tank 10 is mounted on the main frames 20, 20 at a position immediately behind the transmission case 8, is formed in a flat box shape, and has a ceiling wall. A transmission shaft extending in the front-rear direction formed in the central portion of the groove 10a extending in the front-rear direction.
The transmission shaft 65 connects the transmission case 8 and the rear axle case 4 in an interlocking manner.

The engine 9 is disposed immediately above the fuel tank 10.

In this way, the fuel tank 10 and the engine 9 are compactly arranged without interfering with the transmission shaft 65.

FIGS. 10 and 11 show a small passenger work vehicle A as a fourth embodiment.
Has the same basic structure as the small passenger work vehicle A as the third embodiment, but in the vehicle body frame 1, the sub-frame 21 is divided into a front rising portion 21d, a front-rear horizontal extension portion 21e, and a rear rising portion. The difference is that it is formed integrally with the portion 21f. Reference numeral 66 denotes a connecting frame that connects the rear ends of the main frames 20,20.

[0075]

According to the present invention, the following effects can be obtained.

According to the present invention, a pair of left and right front wheels are attached to a pair of left and right main frames extending in the front-rear direction via a front axle case, and a pair of left and right rear wheels are connected via a rear axle case. A transmission case, an engine, and a fuel tank are arranged on the main frame between the front and rear axles, and a transmission case is arranged near the front axle, and near the rear axle. Since the engine is disposed, the weight balance on the main frame can be improved, and the stability of the vehicle body during steering operation can be improved.

According to the second aspect of the present invention, since the transmission case and the engine are arranged at positions equal to or higher than the ground height of the main frame, respectively.
Even when performing agricultural work while running the machine over a ridge formed in a field, the transmission case and the engine do not hit the ridge or the crop.

According to the third aspect of the present invention, a transmission case is disposed at a front portion on the main frame, and a pair of left and right front axle cases are interlockedly connected to the transmission case, and disposed behind the transmission case. The rear axle case is linked via a transmission shaft and the rear axle case is provided with a side clutch.In addition to the above effects, steering operation can be performed by four-wheel drive, and mountainous areas with many slopes In this case, the vehicle can be easily run, and the turning performance can be favorably secured by operating the side clutch.

According to the fourth aspect of the present invention, at a position immediately above a transmission case disposed at a front portion on the main frame,
Since the driver's seat is arranged, the line of sight of the operator who sits in the seat and performs the steering operation can be secured at a high position, and the visibility in front of the vehicle body can be secured well, and the steering can be performed. Safety during operation can be increased.

[Brief description of the drawings]

FIG. 1 is a side view of a small passenger work vehicle according to the present invention.

FIG. 2 is a plan view of the small passenger work vehicle.

FIG. 3 is a front view of the small passenger work vehicle.

FIG. 4 is a cross-sectional side view of the accessory storage unit.

FIG. 5 is a side view of a small-sized riding work vehicle as a second embodiment.

FIG. 6 is a plan view of the small-sized passenger work vehicle.

FIG. 7 is a side view of a small-sized riding work vehicle as a third embodiment.

FIG. 8 is a plan view of the small-sized passenger work vehicle.

FIG. 9 is a sectional front view of a front axle case.

FIG. 10 is a side view of a small-sized riding work vehicle as a fourth embodiment.

FIG. 11 is a plan view of the small-sized passenger work vehicle.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS A Small passenger work vehicle 1 Body frame 2 Front axle case 3 Front wheel 4 Rear axle case 5 Rear wheel 6 Body support structure 7 Operating part 8 Shift case 9 Engine 10 Fuel tank

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Kenshiro Eiyoshi 428 Enami, Okayama-shi, Okayama Pref.

Claims (4)

[Claims] 1. A pair of left and right front wheels (3, 3) are attached to a pair of left and right main frames (20, 20) extending in the front-rear direction via a front axle case (2).
A pair of left and right rear wheels (5, 5) are mounted via a rear axle case (4), and the axles (3a, 3a, 5a, 5a) of these front wheels (3, 3) and rear wheels (5, 5) are mounted. In between, the mainframe (20,2
0) The transmission case (8) and the engine (9) are arranged on the upper side, the transmission case (8) is arranged near the front axle (3a, 3a), and the transmission case (8) is arranged near the rear axle (5a, 5a). A small-sized passenger work vehicle characterized by having an engine (9) arranged in the vehicle. 2. The transmission case (8) and the engine (9) are respectively arranged at positions equal to or higher than the ground clearance (H) of the main frame (20, 20). The small passenger work vehicle described. 3. A transmission case (8) is disposed at a front portion of the main frame (20, 20), and a pair of left and right front axle cases (2) are interlocked and connected to the transmission case (8). Rear axle case located behind the transmission case (8)
The small passenger work vehicle according to claim 1 or 2, wherein the rear axle case (4) is provided with side clutches (4a, 4a) by interlockingly connecting (4) via a transmission shaft (65). 4. A seat of a driving unit (7) is located immediately above a transmission case (8) disposed at a front part on a main frame (20, 20).
The small passenger work vehicle according to any one of claims 1 to 3, wherein (36) is arranged.