Kubota L1801

Kubota L1801The Kubota L1801 is a sub-compact utility tractor model from the L01 series, manufactured from 1976 to 1978 by Kubota in Japan. It was available in two-wheel drive (2WD) or four-wheel drive (4WD) versions.

The Kubota L1801 is equipped with a 867 cc (52.9 cu·in) two-cylinder diesel engine with 82.0 mm (3.23 in) of the cylinder bore and 82.0 mm (3.23 in) of the piston stroke, and a gear type transmission with 8 forward and 2 reverse gears (16 forward and 4 reverse gears with creeper).

The Kubota L1801 sub-compact utility tractor features:

  • The Kubota Z851 diesel engine which produces 18.2 PS (13.4 kW; 18.0 HP) at 3,000 rpm of horsepower
  • Manual steering
  • Open operator station
  • Category I rear hitch
  • Rear PTO with 540 rpm
  • 22.0 liters (5.8 US gal.; 4.8 Imp. gal) fuel tank capacity

General specifications

General Specifications
ModelKubota L1801
Tractor typeSub-compact utility tractor
Production years1976-1978
Dimensions and weight
Length2,360 mm (92.9 in)
Width1,120 mm (44.1 in)
Height Steering wheel: 1,320 mm (52 in)
Exhaust: 1,940 mm (76.4 in)
Wheel base1,380 mm (54.3 in)
Ground clearance 2WD: 290 mm (11.4 in)
4WD: 240 mm (9.4 in)
Weight 2WD: 702 kg (1,548 lbs)
4WD: 782 kg (1,724 lbs)
Fuel capacity
Fuel tank capacity22.0 liters (5.8 US gal.; 4.8 Imp. gal)


Engine modelKubota Z851
Engine type4-stroke, vertical, two-cylinders
Displacement867 cm3, (52.9 cu·in)
Cylinder bore:82.0 mm (3.23 in)
Piston stroke:82.0 mm (3.23 in)
Max. horsepower18.2 PS (13.4 kW; 18.0 HP) at 3,000 rpm
Max. torque
Cooling systemLiquid-cooled
Lubricating systemForced lubrication by pump
Fuel systemFuel injection pump
Injection typeIndirect injection
Fuel usedDiesel fuel No.2-D
Starting systemElectric starter
GovernorCentrifugal ball mechanical governor
PTO shaft rotationCounterclockwise (from PTO shaft side)
Valve clearance
Intake valve clearance:0.18-0.22 mm (0.0071-0.0087 in)
Exhaust valve clearance:0.18-0.22 mm (0.0071-0.0087 in)
Oil system
Lubrication system:Forced lubrication
Oil type:DS or DM
Recommended oil:SAE 80
Oil capacity:3.8 liters (4 US. qt, 3.3 Imp. qt.)
Fuel system
Injection timing:25° B.T.D.C.
Fuel injection pressure13.73-14.71 MPa (140-150 kgf/cm2, 1991-2133 psi)
Cooling system
Type:Pressurized radiator, forced circulation with water pump
Coolant capacity:5.3 liters (5.6 US.qts, 4.7 Imp. qts)

Transmission and chassis

Chassis, steering and brakes
Chassis4×2 2WD (L1801) or 4×4 MFWD 4WD (L1801DT)
Steering typeManual
Transmission manufacturer or model
Transmission typeGear type
Gears8 forward and 2 reverse
Speed Forward: 14.0 kmh (8.7 mph)
Reverse: 9.4 kmh (5.8 mph)
Transmission № 2
Transmission manufacturer or model
Transmission typeCreeper
Gears16 forward and 4 reverse


Front tiresAg: 4.00-12 (2WD), 6.00-14 (4WD)
Rear tiresAg: 8.3/8-22

Rear Hitch

Three-Point Hitch
Control type
Lift capacity (at ends)

PTO (Power take-off shaft)

Rear PTO type
Rear PTO speed540 rpm

Electrical system

Electrical system
Charging systemAlternator
Charging amps10A
Battery12A, 65Ah
Author: Sergei Wers
About: Co-founder and CEO of a multi-brand auto repair shop (engine repair, chassis repair, body repair and painting) for over 15 years. I have been developing internet sites with technical specifications for more than seven years.

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We try to use official documentation and verify the published data, but errors may occur. In addition, specifications of machinery and equipment may vary depending on markets and modifications. We do not recommend the use of this data for spare parts or repairs. Use official service manuals or parts catalogs for your product.

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