Kubota KL31 Hi-Speed

The Kubota KL31 Hi-Speed is a tractor produced by Kubota. It is equipped with a 100.5 ci 1.6 L engine. The listed engine power is Diesel (listed): 30.6 hp / 22.8 kW. Transmission: 30 forward and 20 reverse. Operating weight: 2888 to 3285 pounds.

Engine Power

Diesel (listed): 30.6 hp / 22.8 kW

Fuel & Capacities

10.6 gal 40.1 L

Transmission

30 forward and 20 reverse

Operating Weight

2888 to 3285 pounds

Overview

	1999 - 2005 KL SeriesCompact Utility tractor KL Series Compact Utility tractor

Production
Manufacturer	Kubota
Compact Utility tractor

Kubota KL31 Engine
Kubota 1.6L 3-cyl diesel
Fuel tank	10.6 gal 40.1 L
Engine details ...

Kubota KL31 Power
Engine	30.6 hp 22.8 kW

Mechanical
Four-wheel drive
Power steering
Mechanical wet disc brakes
Two-post ROPS. Cab optional.

Tractor hitch
Rear Type	I

Power Take-off (PTO)
Rear PTO Type	540 (1.375)
Engine RPM	540@2700
	763@2700
	945@2700
	1260@2700
	-945@2700

Dimensions & Tires
Wheelbase	68.7 inches 174 cm
Weight	2888 to 3285 pounds
Front tire	8-16
Rear tire	12.4-26
Full dimensions and tires ...

Electrical
Ground	negative
Battery volts	12

Engine

Engine Detail — 100.5 ci / 1.6 L Diesel

Manufacturer	Kubota D1703
Fuel Type	Diesel
Configuration	3-cylinder, liquid-cooled
Displacement	100.5 ci 1.6 L
Bore/Stroke	3.43x3.64 inches 87 x 92 mm
Power	30.6 hp 22.8 kW
Rated RPM	2700
Starter	electric
Starter volts	12

Transmission

Transmission options
20-speed
30-speed

Transmission — 20 forward and reverse

Gears	20 forward and reverse
Four gears (1-4) in two ranges with three-range shift (creeper, medium, and high-speed).

Transmission
Gears	30 forward and 20 reverse
Twelve gears in three ranges (creeper, medium, and high-speed) with shuttle shift. Only gears 1-8 available in reverse. In high-speed range only gears six forward and four reverse gears available.

Dimensions

Kubota KL31 Tires
Standard tires (ag)	Front: 8-16. Rear: 12.4-26

Dimensions
Wheelbase	68.7 inches 174 cm
Length	125.5 inches 318 cm
Width	55.9 inches 141 cm
Height (ROPS)	78 inches 198 cm
Height (cab)	82.7 inches 210 cm
ROPS Weight	2888 lbs 1309 kg
Cab Weight	3285 lbs 1490 kg
Ground clearance	14.2 inches 36 cm
Front tread	44.5 inches 113 cm
Rear tread	42.9 to 58.3 inches 108 to 148 cm

Recommended Implements & Sizing Guide

Engineering recommendations for Kubota KL31 Hi-Speed based on its 30.6 HP power envelope and ASAE agricultural standards.

Implement & Operation	Recommended Size	Workload Rating	Engineering Notes
Moldboard PlowPrimary Tillage	2 to 3 Bottom (14-16")2 - 3 铧 (35-40 cm)	Medium Duty	Standard utility farm tillage.
Rotary Cutter / MowerMowing & Clearing	5 ft (60 in)1.5 m	Medium Duty	Pasture maintenance and weeds up to 1.5" diameter.
Rotary TillerSeedbed Prep	54 to 60 in135 - 150 cm	Medium Duty	Thorough seedbed preparation in orchards and vegetable plots.
Disc HarrowSecondary Tillage	5 to 6 ft (16-18" discs)1.5 - 1.8 m (40-45 cm 耙片)	Light Duty	Small acreage soil break-up and secondary aeration.

Sizing & Soil Condition NoteActual implement sizing varies depending on local soil conditions (heavy clay vs sandy loam), field slope, and operating speed. Heavy tillage implements may require front ballast weights and wheel weights.

Fluids, Capacities & Working Autonomy

Standard fluid requirements, service intervals, and continuous runtime estimates for Kubota KL31 Hi-Speed.

Estimated Continuous Field Runtime: 6.7 hrs

Approximately 6.7 hours of continuous field operation at ~75% rated power on a full tank (10.6 gal / 40.1 L).

Estimated 75% Load Fuel Burn~1.6 gal/hr (6 L/hr)

Engine Crankcase Oil

SAE 15W-40 (Heavy Duty Diesel)

Standard Spec: API CK-4 / CJ-4 Heavy Duty

Service Interval: 150 – 250 Hours

Transmission & Hydraulic System

UTTO (Universal Tractor Transmission Oil)

Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)

Service Interval: 600 – 1000 Hours

Engine Cooling System

50/50 Ethylene Glycol Pre-mix

Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze

Service Interval: 2 Years / 1500 Hours