Caterpillar D9 Specs ( 1955-1959 )
Overview
The Caterpillar D9 is a powerful 286 hp crawler tractor designed for heavy-duty agricultural operations and built in Peoria, Illinois. This 66,025 lb machine features a robust 24.1L 6-cylinder turbocharged diesel engine and proved its strength in Nebraska Tractor Test 584 by achieving a maximum pull of 56,724 lbs.
Ideal Applications
Heavy Drawbar Operations:
With a tested drawbar power of 252.2 hp and a maximum pull capacity of 56,724 lbs, this crawler is engineered to handle the most demanding agricultural pulling tasks.
High-Capacity Field Work:
The 1473 ci liquid-cooled engine and 6-speed gear transmission provide the consistent torque and mechanical reliability needed for large-scale farming on the contour.
All-Terrain Traction:
The crawler drive system and 120-inch width offer a stable platform and superior ground contact for operating a 66,025 lb machine in diverse farm environments.
Production
| Description | Agricultural Crawler tractor / Built in Peoria, Illinois, USA |
|---|---|
| Manufacturer | Caterpillar |
Engine
| Engine type | Caterpillar 24.1L 6-cyl diesel |
|---|---|
| Bore/Stroke | 6.25x8.00 inches (159 x 203 mm) |
| Compression | 15.5:1 |
| Description | Caterpillar D353 / turbocharged diesel / 6-cylinder / liquid-cooled |
| Displacement | 1473 ci (24.1 L) |
| Power (net) | 286 hp (213.3 kW) |
| Rated RPM | 1240 |
| Starter | 2-cylinder gas pony engine |
| Starter volts | 6 *Electric starter for pony engine |
| Drawbar (claimed) | 230 hp (171.5 kW) |
| Drawbar (tested) | 252.2 hp (188.1 kW) |
| Engine (net) | 286 hp (213.3 kW) |
Transmission
| Clutch | wet disc |
|---|---|
| Gears | 6 forward and reverse / 3 forward and 2 reverse |
| Type | gear / torque converter |
| Transmission type | 6-speed gear / 3-speed torque converter |
| Transmission type | 6-speed gear / 3-speed torque converter |
Mechanical
| Cab | Open operator station. |
|---|---|
| Drive | crawler |
Dimensions & Tires
| Gauge | 90 inches (228 cm) |
|---|---|
| Height | 105 inches (266 cm) |
| Length | 215 inches (546 cm) |
| Operating weight | 66025 lbs (29948 kg) |
| Width | 120 inches (304 cm) |
Dimensions & Tracks
| Description | Tracks |
|---|---|
| Weight | 66025 lbs (29948 kg) |
Nebraska Tractor Test 584
| Description | Diesel 6-speed crawlerJuly 31 - August 4, 1956Link: Nebraska Tractor Test 584 file / Drawbar performance / Gear 3 used for power test. / Gear 1 used for pull test. |
|---|---|
| Max power | 252.2 hp (188.1 kW) |
| Max pull | 56724 lbs (25730 kg) |
References
| Description | Farming on the contour published in 1954, by Caterpillar |
|---|