Kubota B5100

The Kubota B5100 is a tractor produced by Kubota. It is equipped with a 31 ci 0.5 L engine. The rated power output is 12 hp 8.9 kW. Transmission: 6 forward and 2 reverse. Operating weight: 805 to 893 pounds.

Engine Power
12 hp 8.9 kW
Fuel & Capacities
2.1 gal 7.9 L
Transmission
6 forward and 2 reverse
Operating Weight
805 to 893 pounds

Kubota B5100 Serial Number & Year Decoder

Find the exact manufacture year of your tractor by checking your chassis serial number below.

Where to Find the Serial NumberThe serial number plate is commonly located on the front frame, tractor transmission housing (right side), or instrument panel badge.

Overview

Kubota B5100 tractor photo
1978 - 1984 Sub-Compact Utility tractor
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
B5100 references literature
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.
B5100  unsynchronized gear speeds

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

Kubota B5100