
Caterpillar D7C
Power
128 hp
Production
1955-1958
Engine
Diesel, 4-cylinder
Transmission
Gear
From the same series:
Introduction
Caterpillar D7C Agricultural Crawler Tractor
The Caterpillar D7C is an agricultural crawler tractor produced in Peoria, Illinois, between 1955 and 1958. Designed for heavy-duty traction and earthmoving tasks, it represents a significant model in the evolution of the Caterpillar D7 series.
Engine and Performance
The tractor is powered by a 4-cylinder diesel engine with a displacement of 831 cubic inches (13.6 L). It produces 128 horsepower at a rated engine speed of 1200 RPM. The engine features liquid cooling and an oil bath air cleaner to maintain performance in dusty agricultural environments. A gasoline pony engine is utilized as the starter system to ensure reliable ignition.
Transmission and Drivetrain
The D7C employs a gear-driven transmission providing 5 forward and 4 reverse speeds. Power is transferred through a metallic wet disc clutch, which is designed for durability under high-torque loads. Steering is managed via manual clutches, and the machine is equipped with contracting band brakes for effective stopping and maneuverability.
Mechanical Specifications and Dimensions
This crawler tractor operates on 20-inch wide tracks, which provide the necessary surface area for heavy-duty work on soft or uneven terrain. The machine has an operating weight ranging from 25,970 to 26,930 pounds. The operator station is of an open design, though a cab with a heater was available as an optional configuration for improved operator comfort.
Conclusion
The Caterpillar D7C is a heavy-duty crawler tractor engineered for demanding agricultural and industrial applications. Its robust construction and substantial drawbar power make it a reliable machine for primary tillage and heavy soil engagement.
Production Information of Caterpillar, D7C
- Agricultural Crawler tractor
- Built in Peoria, Illinois, USA
| Manufacturer | Caterpillar |
|---|
Engine Specifications of Caterpillar, D7C
- Liquid-cooled
- Diesel
- 4-cylinder
| Starter volts | 6 |
|---|---|
| Displacement | 831 ci [13.6 L] |
| Air cleaner | Oil bath |
| Bore/Stroke | 5.75x8.00 inches [146 x 203 mm] |
| Coolant capacity | 68 qts [64.4 L] |
| Oil capacity | 22 qts [20.8 L] |
| Starter | Gasoline pony engine |
| Rated RPM | 1200 |
| Power | 128 hp [95.4 kW] |
Transmission Information of Caterpillar, D7C
Transmission variants 1
| Type | Gear |
|---|---|
| Oil capacity | 43 qts [40.7 L] |
| Gears | 5 forward and 4 reverse |
| Clutch | Metallic wet disc |
Mechanical Specs of Caterpillar, D7C
- Open operator station. Cab optional with heater.
- Contracting band brakes
| Drive | Crawler |
|---|---|
| Steering | Manual clutches |
Power Information of Caterpillar, D7C
- Https://www.tractordata.com/farm-tractors/011/1/4/11140-caterpillar-d7c-tests.html
Where it sits
With 128 HP, the Caterpillar D7C sits just above D7 (102 HP) in Caterpillar's range. Its power puts it in the 98th percentile of 1950s models in our database (592 machines).
Frequently asked questions
How much horsepower does the Caterpillar D7C have?
The Caterpillar D7C delivers 128 HP.
What years was the Caterpillar D7C produced?
The Caterpillar D7C was produced in 1955-1958.
What engine does the Caterpillar D7C have?
The Caterpillar D7C is powered by a Diesel, 4-cylinder engine.
What transmission does the Caterpillar D7C use?
The Caterpillar D7C uses a Gear transmission.