Caterpillar D5B SA
Power
120 hp
Production
1977-1985
Engine
Diesel, 6-cylinder
Transmission
Gear
From the same series:
Introduction
Caterpillar D5B SA Agricultural Crawler Tractor
The Caterpillar D5B SA is a specialized agricultural crawler tractor manufactured between 1977 and 1985. Designed for heavy-duty field operations, this tracked machine was engineered to provide high levels of traction and durability in demanding agricultural environments.
Engine and Performance
The tractor is powered by the Caterpillar 3306, a liquid-cooled, 6-cylinder inline diesel engine. With a displacement of 638 cubic inches (10.5 liters), the engine provides a net power output of 120 horsepower (89.5 kW). It operates at a rated speed of 1900 RPM and is designed for consistent performance under load.
Transmission and Drive
As a crawler-type vehicle, the D5B SA utilizes 18-inch tracks to distribute its operating weight of 22,900 to 23,320 pounds, ensuring stability and grip on uneven or soft terrain. The mechanical gear transmission features a configuration of 6 forward and 4 reverse gears, allowing the operator to select the appropriate speed for specific tillage or drawbar applications.
Hydraulics and Electrical System
The hydraulic system is an open-center design, featuring a pump flow capacity of 23 gallons per minute (87.1 lpm) at a working pressure of 2000 psi (137.9 bar). The electrical system is supported by a 12-volt battery configuration with a 35-amp alternator for charging, while the engine utilizes a 24-volt electric starter for reliable ignition.
Conclusion
The Caterpillar D5B SA is a robust crawler tractor suited for heavy agricultural tasks requiring significant drawbar pull. Its combination of a high-torque diesel engine, substantial operating weight, and versatile gear transmission makes it a durable asset for intensive soil management and land development.
Production Information of Caterpillar, D5B SA
- Agricultural Crawler tractor
- Original price was $67,760 in 1985
| Manufacturer | Caterpillar |
|---|
Engine Specifications of Caterpillar, D5B SA
- Caterpillar 3306
- Liquid-cooled inline
- Diesel
- 6-cylinder
| Oil capacity | 29 qts [27.4 L] |
|---|---|
| Displacement | 638 ci [10.5 L] |
| Rated RPM | 1900 |
| Bore/Stroke | 4.75x6.00 inches [121 x 152 mm] |
| Coolant capacity | 36 qts [34.1 L] |
| Starter volts | 24 |
| Starter | Electric |
| Power (net) | 120 hp [89.5 kW] |
Transmission Information of Caterpillar, D5B SA
Transmission variants 1
| Type | Gear |
|---|---|
| Gears | 6 forward and 4 reverse |
| Oil capacity | 81 qts [76.7 L] |
Mechanical Specs of Caterpillar, D5B SA
| Drive | Crawler |
|---|
Power Information of Caterpillar, D5B SA
| Engine (net) | 120 hp [89.5 kW] |
|---|---|
| Drawbar (claimed) | 90 hp [67.1 kW] |
Hydraulics Specifications of Caterpillar, D5B SA
| Type | Open center |
|---|---|
| Pump flow | 23 gpm [87.1 lpm] |
| Capacity | 6 gal [22.7 L] |
| Pressure | 2000 psi [137.9 bar] |
Electrical System of Caterpillar, D5B SA
| Charging system | Alternator |
|---|---|
| Charging amps | 35 |
| Battery volts | 12 |
Where it sits
With 120 HP, the Caterpillar D5B SA sits just below D6D SA (165 HP) in Caterpillar's range. Its power puts it in the 76th percentile of 1970s models in our database (1259 machines).
Frequently asked questions
How much horsepower does the Caterpillar D5B SA have?
The Caterpillar D5B SA delivers 120 HP.
What years was the Caterpillar D5B SA produced?
The Caterpillar D5B SA was produced in 1977-1985.
What engine does the Caterpillar D5B SA have?
The Caterpillar D5B SA is powered by a Diesel, 6-cylinder engine.
What transmission does the Caterpillar D5B SA use?
The Caterpillar D5B SA uses a Gear transmission.