Kubota
Kubota L3750
The Kubota L3750 is a compact utility tractor produced from 1984 to 1990 as part of Kubota's L Series. It features a 45 hp 2.3L 5-cylinder liquid-cooled diesel engine, an 8-speed partially synchronized transmission, and is available in 2WD (L3750F) and 4WD (L3750DT) variants. The tractor offers power steering, mechanical wet disc brakes, and a two-post ROPS with optional sunshade. It has a fuel capacity of 15.3 gallons and a hydraulic system capacity of 10.6 gallons with an open center hydraulic system. The rear PTO is live with 540/750 rpm options. Dimensions include a 76.4 inch wheelbase, 128.5 inch length, and weights ranging from 3,650 to 3,915 pounds depending on the variant. Attachments include loaders (BF900 and LA950A) and backhoes (Kubota L4540 and L4540A) with detailed specifications for lift capacity, reach, and forces.
Power45 hp
Founded1984 - 1990
ModelL3750
Technical Specifications
Detailed specifications and technical data for Kubota L3750
Power
| Engine power | 45 hp (33.6 kW) |
|---|---|
| PTO (tested) | 36.96 hp (27.6 kW) |
| PTO (claimed) | 37 hp (27.6 kW) |
| Drawbar (tested) | 30.15 hp (22.5 kW) |
Engine
| Type | diesel |
|---|---|
| Model | Kubota F2302-D1-L |
| Power | 45 hp (33.6 kW) |
| Cooling | liquid-cooled |
| Cylinders | 5-cylinder |
| Rated RPM | 2500 |
| Air cleaner | dual dry element |
| Bore/Stroke | 3.3x3.2 inches (84 x 81 mm) |
| Displacement | 142 ci (2.3 L) |
| Oil capacity | 12 qts (11.4 L) |
| Starter volts | 12 |
| Coolant capacity | 8 qts (7.6 L) |
Capacity
| Fuel | 15.3 gal (57.9 L) |
|---|---|
| Hydraulic system | 10.6 gal (40.1 L) |
Overview
| Series | L Series |
|---|---|
| Category | Compact Utility tractor |
| Variants | L3750F 2WD, L3750DT 4WD |
| Production years | 1984 - 1990 |
Electrical
| Ground | negative |
|---|---|
| Battery volts | 12 |
Hydraulics
| Type | open center |
|---|---|
| Valves | 0 to 2 |
| Capacity | 10.6 gal (40.1 L) |
| Pressure | 2500 psi (172.4 bar) |
| Pump flow | 8.7 gpm (32.9 lpm) |
Mechanical
| ROPS | Two-post ROPS with optional sunshade |
|---|---|
| Drive | 4x2 2WD (L3750F), 4x4 MFWD 4WD |
| Brakes | Mechanical wet discs brakes |
| Steering | power |
Attachments
| Backhoe | Kubota L4540 Backhoe, Kubota L4540A Backhoe |
|---|---|
| Loaders | Kubota BF900 loader, Kubota LA950A loader |
| BF900 Loader | 1985 lbs lift (full at pin) (900 kg), 3068 lbs breakout (1391 kg), 40° dump, 29.9 inches reach (dumped) (75 cm), 69.7 inches reach (ground) (177 cm), 27° rollback, 111.4 inches height (at pin) (282 cm), 86.8 inches clearance (dumped) (220 cm), boom cyl: 2.4 inches (6 cm), boom rod: 1.4 inches (3 cm), bucket cyl: 2.4 inches (6 cm), bucket rod: 1.4 inches (3 cm), Bucket width: 70 inches (177 cm) |
| LA950A Loader | 2094 lbs lift (full at pin) (949 kg), 3234 lbs breakout (1466 kg), 40° dump, 29.9 inches reach (dumped) (75 cm), 69.7 inches reach (ground) (177 cm), 25° rollback, 113.4 inches height (at pin) (288 cm), 88.6 inches clearance (dumped) (225 cm), boom cyl: 2.25 inches (5 cm), boom rod: 1.4 inches (3 cm), bucket cyl: 2.5 inches (6 cm), bucket rod: 1.4 inches (3 cm), Bucket width: 70.1 inches (178 cm) |
| Kubota L4540 Backhoe | Transport height 105 inches (266 cm), Bucket width 13 inches (33 cm), Digging depth 123 inches (312 cm), Reach from pivot 167 inches (424 cm), Loading height 100 inches (254 cm), Bucket force 3980 lbs (1805 kg), Dipperstick force 1675 lbs (759 kg) |
| Kubota L4540A Backhoe | Transport height 103.2 inches (262 cm), Bucket width 13 inches (33 cm), Digging depth 135.5 inches (344 cm), Reach from pivot 167.4 inches (425 cm), Loading height 98.6 inches (250 cm), Bucket Rotation 180°, Swing Arc 180°, Bucket force 3450 lbs (1564 kg), Dipperstick force 2740 lbs (1242 kg) |
Transmission
| Type | partially synchronized |
|---|---|
| Gears | 8 forward and reverse |
| Clutch | dual dry plates |
| Oil capacity | 42.4 qts (40.1 L) |
Tractor hitch
| Rear Type | I |
|---|---|
| Rear lift (at ends) | 3,525 lbs (1598 kg) |
| Rear lift (at 24"/610mm) | 2,650 lbs (1202 kg) |
Dimensions & Tires
| Width | 65.8 inches (167 cm) |
|---|---|
| Length | 128.5 inches (326 cm) |
| Weight | 3,650 lbs (L3750F) (1655 kg), 3,915 lbs (L3750DT) (1775 kg) |
| Rear tire | 13.6-28, 12.4-28, 14.9-24, 18.4-16.1 (2WD) Lawn/turf rear |
| Wheelbase | 76.4 inches (194 cm) |
| Front tire | 6.50-16 (2WD), 9.5-16 (4WD), 6.00-16 (2WD), 8.3-16 (4WD), 9.00-10 (2WD) Industrial front |
| Rear tread | 52 to 76 inches (132 to 193 cm) |
| Front tread | 48 to 72 inches (121 to 182 cm) (2WD), 52 inches (132 cm) (4WD) |
| Height (steering wheel) | 60.2 inches (152 cm) |
Power Take-off (PTO)
| Rear PTO | live |
|---|---|
| Rear PTO Type | 540/750 |