Kubota B5100 – Full Specifications of Japan’s 12hp Tractor

We are EVERY FARM TRACTOR, exporting Japanese used vehicles, farm tractors, and agricultural machinery to more than 100 countries since 2006.
This page provides the full specifications and technical details of the Kubota B5100, enabling users worldwide to understand this model and contact us easily.


Kubota B5100 – Overview

Item Details
Manufacturer Kubota
Production Years 1978 – 1984
Category Sub-Compact Utility Tractor
Country of Manufacture Japan
Series B5100 Series (B5200 / B5100 / B6100)
Engine Power 12 hp

The Kubota B5100 is a compact yet highly reliable Japanese tractor designed for small farms, orchards, gardens, and multi-purpose agricultural work. Its durability, low-fuel consumption, and simple mechanical structure make it a popular choice in markets across Asia, Africa, Europe, and Oceania.


Variants

Model Drive System
B5100DT 4WD
B5100E 2WD

Engine Specifications

Specification Details
Engine Model Kubota ZL600
Engine Type 0.5L (505 cc) 2-cylinder diesel
Fuel Type Diesel
Cooling System Liquid-cooled
Fuel Tank Capacity 2.1 gal (7.9 L)
Rated Power 12 hp (8.9 kW)

The ZL600 engine is known for its smooth operation, excellent fuel efficiency, and long service life. Despite its compact size, it delivers dependable torque for tilling, mowing, light hauling, and PTO-driven implements.


Transmission

Specification Details
Type 6-speed unsynchronized gear
Gears 6 forward / 2 reverse
Drive Types 2WD or 4WD depending on model

The simple mechanical gearbox ensures low maintenance costs and reliable performance under various working conditions.


Power Output

Power Type Output
Engine Power 12 hp
PTO Power (claimed) 10 hp (7.5 kW)

Mechanical Features

Item Details
Steering Manual
Brakes Mechanical wet disc
Differential Lock Rear mechanical
Operator Platform Open station with optional fixed ROPS

These mechanical components make the B5100 easy to maintain, even in remote regions where service facilities are limited.


Hydraulics

Item Details
Hydraulic System Type Open center
Pump Flow 3.17 gpm (12.0 L/min)

Three-Point Hitch

Specification Details
Rear Hitch Category Category I
Rear Lift Capacity 300 lbs (136 kg)

Power Take-off (PTO)

PTO Type Specification
Rear PTO Transmission-driven
Rear PTO Speeds 540 / 1000 rpm
Front PTO Speed 3000 rpm

Dimensions & Tires

Item Specification
Wheelbase 46.5 in (118 cm)
Weight 805 – 893 lbs
Front Tires 4.00-9
Rear Tires 7.00-16

Electrical System

Item Details
Ground Negative
Battery Voltage 12V
Battery Capacity 35 AH

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