Kubota B5100

The Kubota B5100 is a tractor produced by Kubota. It is equipped with a 31 ci 0.5 L engine. The listed engine power is Diesel (listed): 12 hp / 8.9 kW; Diesel (listed): 1.1 hp / 0.8 kW. Transmission: 6 forward and 2 reverse. Operating weight: 805 to 893 pounds.

Overview

	1978 - 1984 Sub-Compact Utility tractor

Production
Manufacturer	Kubota
Sub-Compact Utility tractor
Built in Japan

Variants
B5100DT	4WD
B5100E	2WD

Kubota B5100 Engine
Kubota 0.5L 2-cyl diesel
Fuel tank	2.1 gal 7.9 L
Engine details ...

Kubota B5100 Transmission
6-speed unsynchronized gear
Transmission details ...

Kubota B5100 Power
Engine	12 hp 8.9 kW
PTO (claimed)	10 hp 7.5 kW

Mechanical
Two- or four-wheel drive
Differential lock	mechanical rear
Manual steering
Mechanical wet disc brakes
Open operator station. Two-post fixed ROPS available.

Hydraulics
Type	open center
Pump flow	3.17 gpm 12.0 lpm

Tractor hitch
Rear Type	I
Rear lift	300 lbs 136 kg

Power Take-off (PTO)
Rear PTO	transmission
Rear PTO Type	540/1000
Front PTO Type	3000

Dimensions & Tires
Wheelbase	46.5 inches 118 cm
Weight	805 to 893 pounds
Front tire	4.00-9
Rear tire	7.00-16
Full dimensions and tires ...

Electrical
Ground	negative
Battery volts	12
Battery AH	35

References
Diesel B B5100/B6100/B7100 published in 1982, by Kubota
Tractors and Excavators published in 1981, by Kubota
Tractors and Excavators published in 1982, by Kubota

Engine

Engine Detail — 31 ci / 0.5 L Diesel

Manufacturer	Kubota Z500-1A
Fuel Type	Diesel
Configuration	2-cylinder, liquid-cooled
Displacement	31 ci 0.5 L
Bore/Stroke	2.625x2.75 inches 67 x 70 mm
Power	12 hp 8.9 kW
Pre-heating	glow plugs
Rated RPM	3000
Starter volts	12
Starter power	1.1 hp 0.8 kW
Coolant capacity	3.2 qts 3.0 L
Oil capacity	2.4 qts 2.3 L
Oil change	75 h

Transmission

Transmission — 6 forward and 2 reverse unsynchronized gear

Type	unsynchronized gear
Gears	6 forward and 2 reverse
Clutch	dry disc
Oil capacity	9.0 qts 8.5 L
Three gears, plus reverse, in two ranges.

Dimensions

Kubota B5100 Tires
Ag front	4.00-9 (2WD)
	4.50-10 (4WD)
Ag rear	7.00-16
Lawn/turf front	18x6.50-8
Lawn/turf rear	27x8.50-15

Dimensions
Wheelbase	46.5 inches 118 cm
Length	71.6 inches 181 cm
Width	36.25 inches 92 cm
Height (steering wheel)	44.1 inches 112 cm
2WD Weight	805 lbs 365 kg
4WD Weight	893 lbs 405 kg
4WD Clearance (front axle)	8.625 inches 21 cm
2WD Clearance (rear axle)	10.25 inches 26 cm
2WD Front tread	26 inches 66 cm
4WD Front tread	26.4 inches 67 cm
Rear tread	25/29 inches 63/73 cm

Photos

Kubota B5100