Caterpillar D3B SA Special Application Specs ( 1985-1987 )
Overview
The Caterpillar D3B SA is an agricultural crawler tractor produced between 1985 and 1987, featuring a Caterpillar 3204 5.2L turbocharged diesel engine. It is equipped with a 5-speed gear transmission providing five forward and four reverse gears and is rated at 101 net engine horsepower. The tractor has an operating weight of 13,846 pounds and is configured with a four-post ROPS.
Ideal Applications
Engine and Power Ratings:
The four-cylinder turbocharged diesel engine delivers a net 101 hp at 2400 RPM and a claimed 81 hp at the drawbar.
Ground Contact and Dimensions:
The crawler utilizes 72-inch long tracks that provide a ground contact area between 1,724 and 2,873 square inches depending on the track width configuration.
Hydraulic System and Transmission:
The open center hydraulic system is rated at 14 gpm with 2,500 psi of pressure, supporting a mechanical gear-driven transmission.
Production
| Description | Agricultural Crawler tractor |
|---|---|
| Manufacturer | Caterpillar |
Engine
| Engine type | Caterpillar 5.2L 4-cyl diesel |
|---|---|
| Bore/Stroke | 4.50x5.00 inches (114 x 127 mm) |
| Coolant capacity | 27.2 qts (25.7 L) |
| Description | Caterpillar 3204 / turbocharged diesel / 4-cylinder / liquid-cooled inline |
| Displacement | 318 ci (5.2 L) |
| Fuel system | direct injection |
| Oil capacity | 12.8 qts (12.1 L) |
| Power (net) | 101 hp (75.3 kW) |
| Rated RPM | 2400 |
| Starter | electric |
| Starter volts | 12 |
| Drawbar (claimed) | 81 hp (60.4 kW) |
| Engine (net) | 101 hp (75.3 kW) |
Transmission
| Gears | 5 forward and 4 reverse |
|---|---|
| Oil capacity | 16 qts (15.1 L) |
| Transmission type | 5-speed gear |
| Type | gear |
Mechanical
| Description | Four-post ROPS. |
|---|---|
| Drive | crawler |
Capacity
| Fuel | 54 gal (204.4 L) |
|---|---|
| Hydraulic system | 15.1 gal (57.2 L) |
Hydraulics
| Capacity | 15.1 gal (57.2 L) |
|---|---|
| Pressure | 2500 psi (172.4 bar) |
| Pump flow | 14 gpm (53.0 lpm) |
| Type | open center |
Electrical
| Battery volts | 12 |
|---|---|
| Charging amps | 55 |
| Charging system | alternator |
Dimensions & Tires
| Gauge | 60 inches (152 cm) |
|---|---|
| Length | 146 inches (370 cm) |
| Operating weight | 13846 lbs (6280 kg) |
| Shipping weight | 13314 lbs (6039 kg) |
Caterpillar D3B SA Height
| Exhaust | 107 inches (271 cm) |
|---|---|
| Hood | 62 inches (157 cm) |
| ROPS | 107 inches (271 cm) |
Caterpillar D3B SA Tracks
| Area on ground | 1724 in² (1.1 m²) / 2873 in² (1.9 m²) |
|---|---|
| Length on ground | 72 inches (182 cm) / 72 inches (182 cm) |
| Width | 12 inches (30 cm) / 20 inches (50 cm) |
Dimensions & Tracks
| Description | 12-inch tracks |
|---|---|
| Weight | 13314 to 13846 pounds |
References
| Description | D3B Special Application Track-type Tractor published in 1986, by Caterpillar |
|---|