Kubota L185

Kubota L185The Kubota L185 is a compact utility tractor model from the L series, manufactured from 1977 to 1982 by Kubota. It was available in two-wheel drive (2WD) or four-wheel drive (4WD) versions.

The Kubota L185 is equipped with a 743 cc (45.3 cu·in) two-cylinder diesel engine with 76.0 mm (2.99 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 L185 compact utility tractor features:

  • The Kubota Z751A diesel engine which produces 17.3 PS (12.7 kW; 17.0 HP) at 2,800 rpm of horsepower
  • Manual steering
  • Open operator station
  • Shoe-type brakes
  • Category I rear hitch with 997 kg (2200 lbs) of maximum lift capacity
  • Front PTO with 2,430 rpm
  • Transmission rear PTO with 540/700/1,000 rpm

The Kubota L185 variants:

  • L185TP: 2WD version with turf tires
  • L185FP: 2WD version with ag tires
  • L185DT: 4WD version

General specifications

General Specifications
ModelKubota L185
Tractor typeCompact utility tractor
Production years1977-1982
Dimensions and weight
Length2,540 mm (100 in)
Width1,370 mm (53.9 in)
Height1,930 mm (76.0 in)
Ground clearance250 mm (10.0 in)
Wheelbase1,520 mm (59.8 in)
Weight (shiping) L185FP: 723 kg (1595 lbs)
L185TP: 738 kg (1628 lbs)
L185DT: 809 kg (1785 lbs)
Fuel capacity
Fuel tank capacity22.0 liters (5.8 US gal.; 4.8 Imp. gal)


Engine modelKubota Z751A
Engine type4-stroke, vertical, two-cylinders
Displacement743 cm3, (45.3 cu·in)
Cylinder bore:76.0 mm (2.99 in)
Piston stroke:82.0 mm (3.23 in)
Compression ratio:21.0:1
Max. horsepower17.3 PS (12.7 kW; 17.0 HP) at 2,800 rpm
Max. torque
Cooling systemLiquid-cooled
Lubricating systemForced lubrication by pump
Combustion chamber
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 or 4×4 MFWD 4WD
Steering typeManual
Differential lockMechanical rear (optional)
Front axle differential case(4WD)1.1 liters (1.16 US.qts, 0.97 Imp. qts)
Front axle outer drive case (4WD)- each0.8 liters (0.85 US.qts, 0.7 Imp. qts)
Steering gear box (manual)0.3 liters (0.32 US.qts, 0.26 Imp. qts)
Transmission manufacturer or model
Transmission typeSliding gear type with dry disc clutch
Gears8 forward and 2 reverse
Speed Forward: 18.5 kmh (11.5 mph)
Reverse: 9.0 kmh (5.6 mph)
Transmission oil capacity 2WD: 22.0 liters (23.2 US.qts, 19.4 Imp. qts)
4WD: 23.0 liters (24.3 US.qts, 20.2 Imp. qts)
Transmission № 2
Transmission manufacturer or model
Transmission typeCreeper
Gears16 forward and 4 reverse
Speed Forward: 2.4 kmh (1.5 mph)
Reverse: 1.3 kmh (0.8 mph)


Front tiresAg: 4.00-15 (2WD), 6-14 (4WD)
Rear tiresAg: 9.5-24
Three-Point Hitch
Control type Position control
Draft control (optional)
Lift capacity (at ends)997 kg (2200 lbs)

PTO (Power take-off shaft)

Front PTO type
Front PTO speed2,430 rpm
Rear PTO typeTransmission
Rear PTO speed540/700/1,000 rpm

Electrical system

Electrical system
Charging systemAlternator (Nippon-Denso)
Charging amps10A
Battery12V, 65Ah

Hydraulic system

Hydraulic system
Hydraulic typeOpen center with gear pump
Pressure2130 psi (147 bar)
Total flow6.2 gpm (23.5 lpm)
Kubota L220: front-mount 48″ two-stage snow blower with hydraulic lift
Clearing width1,210 mm (48 in)
Clearing height580 mm (23.0 in)
Kubota L322: front-mount 60″ two-stage snow blower with hydraulic lift
Clearing width1,520 mm (60 in)
Clearing height580 mm (23.0 in)
Kubota BL4520 backhoe
Transport height1,550 mm (61.2 in)
Bucket width 250 mm (10.0 in)
300 mm (12.0 in)
400 mm (16.0 in)
2-Foot flat digging depth2,010 mm (79.5 in)
Reach from pivot2,480 mm (97.8 in)
Loading height2,130 mm (84.0 in)
Bucket rotation170°
Swing arc177°
Bucket force657 kg (1450 lbs)
Dipperstick force1308 kg (2885 lbs)
Kubota L1200 loader
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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