Yanmar YM4500 Tractor Specs | 45HP Utility Tractor

Yanmar YM4500 Utility Tractor

Overview

Item Details
Model Yanmar YM4500
Type Utility Tractor
Production Years 1977 – 1983
Manufacturer Yanmar
Origin Japan

The Yanmar YM4500 is a heavy-duty utility tractor designed for demanding agricultural and utility applications.
Produced from the late 1970s to early 1980s, it is known for its strong diesel power, robust drivetrain, and long-term reliability, making it highly suitable for global export markets.


Series Map

Model Rated Power
YM4300 32.1 kW (43 HP)
YM4500 33.6 kW (45 HP)
YM5000 37.3 kW (Approx. 50 HP)

The YM4500 sits in the center of Yanmar’s classic utility tractor lineup, offering a balance of power, durability, and operational simplicity.


Engine

Item Specification
Engine Manufacturer Yanmar
Engine Type Diesel
Cylinders 3
Aspiration Naturally aspirated
Rated Engine Power 45 HP
Rated Power (kW) 33.6 kW

The YM4500 is powered by a Yanmar 3-cylinder diesel engine, delivering stable torque and excellent fuel efficiency.
Its simple mechanical diesel design allows easy maintenance and dependable performance, even under continuous heavy workloads.


Transmission

Item Specification
Transmission Type Mechanical
Number of Gears 12-speed
Drive Options 2WD / 4WD

The 12-speed transmission provides flexible speed selection for plowing, tilling, hauling, and PTO-related operations, ensuring efficient power delivery across various tasks.


Power & Mechanical

Item Specification
Engine Power 45 HP
Drive System Two-wheel drive or Four-wheel drive
Operator Station Open station
Steering Mechanical

The open operator station and rugged mechanical layout make the YM4500 easy to operate and maintain, particularly in regions where durability and simplicity are critical.


Variants

Model Drive
YM4500 2WD
YM4500D 4WD

The YM4500D (4WD) variant offers improved traction and stability on soft soil, slopes, and uneven terrain.


Dimensions & Tires

Item Specification
Tractor Class Utility
Stability High, suitable for heavy implements
Tire Type Agricultural (front & rear)

Full dimensions and tire specifications vary depending on configuration.


Electrical

Item Specification
Ground Negative
Battery Voltage 12 V

Photos

https://cdn.shopify.com/s/files/1/1486/5356/files/YM4500_PIC.jpg?v=1739830955

Reference images shown. Actual unit condition and configuration may vary.


Why Choose the Yanmar YM4500?

  • Powerful 45 HP Yanmar diesel engine

  • Proven Japanese engineering from 1977–1983

  • Simple mechanical structure for easy maintenance

  • Available in 2WD and 4WD configurations

  • Ideal for farming, hauling, and heavy utility work

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