Tractor Reference

Kubota L235 Tractor (1981-1985) Reference

A compact Kubota utility tractor with a diesel engine, simple hydraulics, and practical rear PTO for small-farm tasks.

Kubota L235 Overview

The Kubota L235 tractor centers on a 68 cubic inch (1.1 L) diesel engine. This engine offers a simple, durable power source suited to light tillage, mowing, and transport tasks common on small farms.

Its drivetrain pairs a gear-type transmission and open-center hydraulics, plus a rear PTO and Category I hitch, delivering straightforward compatibility with a wide range of standard implements.

Manuals and test reports provide context for controls, hydraulics, lubrication, and service categories, giving restoration and parts-search confidence. For buying parts or planning maintenance, verify engine, transmission, rear PTO type, and serial range against the documented configurations, and note any year-specific variations.

Years1981-1985
Engine68 ci 1.1 L
Tested PTO19.59 hp 14.6 kW
Transmissiongear
Rear PTO540/828
Weight1950 to 2435 pounds
Serial number lookup1981-1985 table
Engine options1981-1985 table

Kubota L235 Quick Answers

  • Production yearsThe Kubota L235 was produced from 1981 through 1985.
  • PowerEngine power is listed as 23.5 hp gross with drawbar and PTO figures shown in the public data; verify configuration matched to the documented engine and transmission setup before relying on those numbers.
  • EngineEngine displacement is 68 ci (1.1 L).
  • PTO and hitchRear PTO is 540/828 with Category I hitch.
  • WeightWeight range is 1950 to 2435 pounds.

Engine and Power

Engine: 68 ci (1.1 L) diesel with a rated RPM around 2600 and electric starter.

Diesel engine

Kubota D1102-A / diesel / 3-cylinder / liquid-cooled

Displacement68 ci 1.1 L
Bore Stroke3.0x3.2 inches 76 x 81 mm
Power Gross23.5 hp 17.5 kW
Air Cleanerpaper element
Pre Heatingglow plugs
Rated Rpm2600
Starterelectric
Starter Volts12
Starter Power1.36 hp 1.0 kW

Manufacturer

Kubota

Manufacture years

1981-1985

Tested PTO

19.59 hp 14.6 kW

Tested drawbar

15.28 hp 11.4 kW

Transmission

Transmission: gear-type with 8 forward and 7 reverse.

8-speed gear

Typegear
Gears8 forward and 7 reverse
Clutchdry disc
Transmission Oil Capacity25.4 qts 24.0 L

PTO and Hitch

PTO and hitch: rear PTO type 540/828 and Category I rear hitch.

Rear PTO

continuous

Rear PTO type

540/828

Rear hitch

I

Hydraulics

Hydraulics: open-center system, 6.2 gpm (23.5 lpm) pump flow and 2250 psi (155.1 bar) pressure.

Type

open center

Pressure

2250 psi 155.1 bar

Pump flow

6.2 gpm 23.5 lpm

Fluids, Battery, and Service Facts

Maintenance: transmission oil capacity 25.4 qts (24.0 L); battery system 12-volt with negative ground.

Fuel tank

7.4 gal 28.0 L

Battery volts

12

Tires and Dimensions

Tire and dimension values can vary by wheel, axle, and configuration.

Wheelbase

66.5 inches (2WD) 168 cm

Weight

1950 to 2435 pounds

Length

112.6 inches 286 cm

Width

49.4 inches 125 cm

Front tire

4.00-15

Rear tire

9.5-24 (2WD)

Electrical

Electrical rows are included when documented.

Ground

negative

Battery volts

12

Serial Number Lookup

Serials: model-year identifiers align with the 1981-1985 window; see owner manuals for serial-range details.

1981

10167

1982

10642

1983

50204

1984

51307

Manuals and Documents

The documents below add manual, parts, and test context for the Kubota L235. They are useful for controls, service categories, parts matching, and tested-performance details that do not fit into short spec rows.

Match coverage carefully before relying on a document for service decisions, especially when one manual, catalog, or report covers several models, fuel types, transmissions, or tractor variants.

  • Kubota L235, L275 Operator's ManualOperator and maintenance manual for Kubota L235/L275 familyOpen source
  • Kubota L235, L275 tractor operator's manualOperator's manual covering L235/L275 and variants (reprint/third-party hosting)Open source
  • Kubota L235 Owner Manual - Kubota L235Owner/Operator manual for Kubota L235 (L275 included in same document)Open source
  • Kubota L235 manualUser manual listing and spec overview for L235Open source
  • Kubota L235 manualL235 operator/maintenance manual pagesOpen source
  • Kubota L235 Parts DiagramsKubota L235 model family parts diagrams, including engine, transmission, and attachmentsOpen source
  • Kubota L235 Parts DiagramsL235 tractor parts diagrams and component listingsOpen source
  • Test 1406: Kubota L235 4WD and L235 Diesel 8-SpeedNebraska Tractor Test Laboratory OECD-style test report for Kubota L235 4WD and L235 Diesel 8-SpeedOpen source

Parts Checks Before Ordering

Do not order Kubota L235 parts from the model name alone. Match the part to the tractor's model code, serial range, engine, transmission, PTO setup, and build year before choosing service parts.

Parts vary by setup. Exact part numbers require a parts catalog, manual, or trusted supplier source before making recommendations.

Accuracy Note

Tractor specifications can vary by year, region, factory configuration, installed equipment, and later repairs. Match serial range, engine, transmission, PTO setup, and model code before ordering parts or doing service work.