Caterpillar D6C SA
Power
140 hp
Production
1970-1976
Engine
Diesel, 6-cylinder
Transmission
Gear
From the same series:
Introduction
Caterpillar D6C SA Agricultural Crawler Tractor
The Caterpillar D6C SA is an agricultural crawler tractor produced between 1970 and 1976. Designed for heavy-duty traction and field work, this model belongs to the Caterpillar D6 series, known for its mechanical reliability and structural durability.
Engine and Performance
The tractor is powered by the Caterpillar 3306, a liquid-cooled, inline 6-cylinder diesel engine. With a displacement of 10.5 liters (638 ci), it produces a rated power of 140 hp (104.4 kW) at 2000 RPM. The engine is supported by a 24-volt electric starter system.
Transmission and Drive
The D6C SA utilizes a gear-type transmission offering 6 forward and 4 reverse speeds. The crawler drive system is configured with 20-inch tracks, providing the necessary flotation and traction for heavy agricultural operations. The transmission oil capacity is 98.4 liters (104 qts).
Hydraulic System
The machine features an open-center hydraulic system designed to operate auxiliary equipment. It provides a pump flow of 22.2 gpm (84.0 lpm) at a system pressure of 2000 psi (137.9 bar).
Electrical and Operator Station
Electrical requirements are managed by a 50-amp charging system and a 12-volt battery configuration consisting of two batteries. The operator station is an open design, with a four-post canopy available as an option for environmental protection.
Conclusion
With an operating weight of 26,100 lbs (11,838 kg) and a claimed drawbar power of 125 hp, the Caterpillar D6C SA is engineered for high-load agricultural applications where traction and consistent power delivery are essential.
Production Information of Caterpillar, D6C SA
- Agricultural Crawler tractor
| Manufacturer | Caterpillar |
|---|
Engine Specifications of Caterpillar, D6C SA
- Caterpillar 3306
- Liquid-cooled inline
- Diesel
- 6-cylinder
| Oil capacity | 29 qts [27.4 L] |
|---|---|
| Displacement | 638 ci [10.5 L] |
| Rated RPM | 2000 |
| Bore/Stroke | 4.75x6.00 inches [121 x 152 mm] |
| Coolant capacity | 40 qts [37.9 L] |
| Starter volts | 24 |
| Starter | Electric |
| Power | 140 hp [104.4 kW] |
Transmission Information of Caterpillar, D6C SA
Transmission variants 1
| Type | Gear |
|---|---|
| Gears | 6 forward and 4 reverse |
| Oil capacity | 104 qts [98.4 L] |
Mechanical Specs of Caterpillar, D6C SA
- Open operator station. Four-post canopy available.
| Drive | Crawler |
|---|
Power Information of Caterpillar, D6C SA
| Engine | 140 hp [104.4 kW] |
|---|---|
| Drawbar (claimed) | 125 hp [93.2 kW] |
Hydraulics Specifications of Caterpillar, D6C SA
| Type | Open center |
|---|---|
| Pressure | 2000 psi [137.9 bar] |
| Pump flow | 22.2 gpm [84.0 lpm] |
Electrical System of Caterpillar, D6C SA
| Charging system | Alternator |
|---|---|
| Battery volts | 12 |
| Charging amps | 50 |
| Batteries | 2 |
Where it sits
With 140 HP, the Caterpillar D6C SA sits just below D6D SA (165 HP) in Caterpillar's range. Its power puts it in the 80th percentile of 1970s models in our database (1259 machines).
Frequently asked questions
How much horsepower does the Caterpillar D6C SA have?
The Caterpillar D6C SA delivers 140 HP.
What years was the Caterpillar D6C SA produced?
The Caterpillar D6C SA was produced in 1970-1976.
What engine does the Caterpillar D6C SA have?
The Caterpillar D6C SA is powered by a Diesel, 6-cylinder engine.
What transmission does the Caterpillar D6C SA use?
The Caterpillar D6C SA uses a Gear transmission.