Caterpillar D3B SA tractor

Caterpillar D3B SA

Power

101 hp

Production

1985-1987

Engine

Turbocharged diesel, 4-cylinder

Transmission

Gear

From the same series:

Introduction

Caterpillar D3B SA Crawler Tractor

The Caterpillar D3B SA is an agricultural crawler tractor produced between 1985 and 1987. Designed for demanding field operations, this tracked machine belongs to the D3 series, focusing on traction and stability in varied terrain.

Engine and Performance

The tractor is powered by the Caterpillar 3204 engine, a 4-cylinder, liquid-cooled, turbocharged diesel unit. It features a displacement of 318 cubic inches (5.2 L) and utilizes direct injection. The engine is rated at 2,400 RPM, delivering a net power output of 101 hp (75.3 kW). The drawbar power is rated at 81 hp (60.4 kW).

Transmission and Drive

As a crawler tractor, the D3B SA utilizes a tracked drive system with 12-inch wide tracks to distribute its operating weight of 13,314 to 13,846 pounds. The transmission is a gear-type system providing 5 forward speeds and 4 reverse speeds, allowing for versatile speed selection during operation.

Hydraulics and Electrical Systems

The hydraulic system is an open-center configuration with a pump flow capacity of 14 gpm (53.0 lpm) and an operating pressure of 2,500 psi (172.4 bar). The electrical system operates on 12 volts, powered by an alternator and an electric starter.

Operator Environment

For operator safety, the tractor is equipped with a four-post Rollover Protective Structure (ROPS).

Conclusion

The Caterpillar D3B SA is a specialized crawler tractor engineered for heavy-duty agricultural tasks. Its combination of a turbocharged diesel engine, high-pressure hydraulic system, and tracked mobility makes it suited for operations requiring significant traction and consistent performance in challenging ground conditions.

Production Information of Caterpillar, D3B SA

  • Agricultural Crawler tractor
ManufacturerCaterpillar

Engine Specifications of Caterpillar, D3B SA

  • Caterpillar 3204
  • Liquid-cooled inline
  • Turbocharged diesel
  • 4-cylinder
Starter volts12
Displacement318 ci [5.2 L]
Fuel systemDirect injection
Bore/Stroke4.50x5.00 inches [114 x 127 mm]
Coolant capacity27.2 qts [25.7 L]
Oil capacity12.8 qts [12.1 L]
StarterElectric
Rated RPM2400
Power (net)101 hp [75.3 kW]

Transmission Information of Caterpillar, D3B SA

Transmission variants 1

TypeGear
Gears5 forward and 4 reverse
Oil capacity16 qts [15.1 L]

Mechanical Specs of Caterpillar, D3B SA

  • Four-post ROPS.
DriveCrawler

Power Information of Caterpillar, D3B SA

Engine (net)101 hp [75.3 kW]
Drawbar (claimed)81 hp [60.4 kW]

Hydraulics Specifications of Caterpillar, D3B SA

TypeOpen center
Pump flow14 gpm [53.0 lpm]
Capacity15.1 gal [57.2 L]
Pressure2500 psi [172.4 bar]

Electrical System of Caterpillar, D3B SA

Charging systemAlternator
Charging amps55
Battery volts12

Where it sits

With 101 HP, the Caterpillar D3B SA sits just below D3C SA (110 HP) in Caterpillar's range. Its power puts it in the 72th percentile of 1980s models in our database (2052 machines).

Frequently asked questions

How much horsepower does the Caterpillar D3B SA have?

The Caterpillar D3B SA delivers 101 HP.

What years was the Caterpillar D3B SA produced?

The Caterpillar D3B SA was produced in 1985-1987.

What engine does the Caterpillar D3B SA have?

The Caterpillar D3B SA is powered by a Turbocharged diesel, 4-cylinder engine.

What transmission does the Caterpillar D3B SA use?

The Caterpillar D3B SA uses a Gear transmission.

Compare the Caterpillar D3B SA with another model