Kubota L185 tractor specs and service data

The 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
Model	Kubota L185
Tractor type	Compact utility tractor
Production years	1977-1982
Factory	–
Dimensions and weight
Length	2,540 mm (100 in)
Width	1,370 mm (53.9 in)
Height	1,930 mm (76.0 in)
Ground clearance	250 mm (10.0 in)
Wheelbase	1,520 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 capacity	22.0 liters (5.8 US gal.; 4.8 Imp. gal)

Engine

Engine
Engine model	Kubota Z751A
Engine type	4-stroke, vertical, two-cylinders
Displacement	743 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. horsepower	17.3 PS (12.7 kW; 17.0 HP) at 2,800 rpm
Max. torque	–
Cooling system	Liquid-cooled
Lubricating system	Forced lubrication by pump
Combustion chamber	–
Fuel system	Fuel injection pump
Injection type	Indirect injection
Fuel used	Diesel fuel No.2-D
Starting system	Electric starter
Governor	Centrifugal ball mechanical governor
PTO shaft rotation	Counterclockwise (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 pressure	13.73-14.71 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
Chassis	4×2 2WD or 4×4 MFWD 4WD
Steering type	Manual
Brakes	Shoe-type
Differential lock	Mechanical rear (optional)
Front axle differential case(4WD)	1.1 liters (1.16 US.qts, 0.97 Imp. qts)
Front axle outer drive case (4WD)- each	0.8 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
Transmission manufacturer or model	–
Transmission type	Sliding gear type with dry disc clutch
Gears	8 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 type	Creeper
Gears	16 forward and 4 reverse
Speed	Forward: 2.4 kmh (1.5 mph) Reverse: 1.3 kmh (0.8 mph)

Tires

Tires
Front tires	Ag: 4.00-15 (2WD), 6-14 (4WD)
Rear tires	Ag: 9.5-24

Three-Point Hitch
Category	I
Control type	Position control Draft control (optional)
Lift capacity (at ends)	997 kg (2200 lbs)

PTO (Power take-off shaft)

PTO
Front PTO type	–
Front PTO speed	2,430 rpm
Rear PTO type	Transmission
Rear PTO speed	540/700/1,000 rpm

Electrical system

Electrical system
Ground	Negative
Charging system	Alternator (Nippon-Denso)
Charging amps	10A
Battery	12V, 65Ah

Hydraulic system

Hydraulic system
Hydraulic type	Open center with gear pump
Pressure	2130 psi (147 bar)
Total flow	6.2 gpm (23.5 lpm)

Kubota L220: front-mount 48″ two-stage snow blower with hydraulic lift
Clearing width	1,210 mm (48 in)
Clearing height	580 mm (23.0 in)
Kubota L322: front-mount 60″ two-stage snow blower with hydraulic lift
Clearing width	1,520 mm (60 in)
Clearing height	580 mm (23.0 in)
Kubota BL4520 backhoe
Transport height	1,550 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 depth	2,010 mm (79.5 in)
Reach from pivot	2,480 mm (97.8 in)
Loading height	2,130 mm (84.0 in)
Bucket rotation	170°
Swing arc	177°
Bucket force	657 kg (1450 lbs)
Dipperstick force	1308 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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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.

Kubota L185