RD7 by Caterpillar
1935 - 1940
Series:
1940 - 1954
| 1940 - 1954 |
| Agricultural Crawler tractor |
Production
| Production | |
| Manufacturer: | Caterpillar |
| Type: | Agricultural Crawler tractor |
| Factory: | Peoria, Illinois, USA |
Caterpillar D7 Power
| Caterpillar D7 Power | |
| Drawbar (claimed): | 80 hp 59.7 kW |
| Belt (claimed): | 92 hp 68.6 kW |
| Drawbar (tested): | 78.48 hp 58.5 kW |
| Belt (tested): | 89.10 hp 66.4 kW |
| power test details ... | |
Caterpillar D7 Engine
| Caterpillar D7 Engine | |
| Caterpillar 13.6L 4-cyl diesel | |
| Fuel tank: | 65 gal 246.0 L |
| Engine details ... | |
Mechanical
| Mechanical | |
| Chassis: | crawler |
| Steering: | manual clutches |
| Brakes: | contracting band |
| Cab: | Open operator station. |
| Transmission: | 5-speed gear |
| Transmission details ... | |
Dimensions & Tracks
| Dimensions & Tracks | |
| Weight: | 24,330 lbs 11036 kg |
| 20-inch tracks | |
| Full dimensions and tracks ... | |
Production
Caterpillar RD7 Power
58.4 kW
71.6 kW
1935 - 1940
| 1935 - 1940 |
| Agricultural Crawler tractor |
Series:
| Series: | RD7 |
| D7 ↓ |
Nebraska Tractor Test 253
| Nebraska Tractor Test 253 | |
| Diesel 4-speed crawler May 5 - 15, 1936 | |
| Belt power (max): | 68.24 hp 50.9 kW |
| Drawbar performance | |
| Max pull: | 14746 lbs 6688 kg |
| Gear 1 used for pull test. | |
Nebraska Tractor Test 254
| Nebraska Tractor Test 254 | |||
| | |||
Nebraska Tractor Test 254
| Nebraska Tractor Test 254 | |
| Diesel 4-speed crawler May 21 - 25, 1936 Link: Nebraska Tractor Test 254 file | |
| Belt power (max): | 77.47 hp 57.8 kW |
| Belt fuel use (max): | 5.3 gal/hour 20.1 l/hour |
| Drawbar performance | |
| Max power: | 65.73 hp 49.0 kW |
| Gear 2 used for power test. | |
| Max pull: | 16098 lbs 7302 kg |
| Gear 1 used for pull test. | |
Nebraska Tractor Test 255
| Nebraska Tractor Test 255 | |||
| | |||
Nebraska Tractor Test 255
| Nebraska Tractor Test 255 | |
| Diesel 4-speed crawler May 21 - 25, 1936 Link: Nebraska Tractor Test 255 file | |
| Belt power (max): | 95.97 hp 71.6 kW |
| Belt fuel use (max): | 9.0 gal/hour 34.1 l/hour |
| Drawbar performance | |
| Max power: | 78.35 hp 58.4 kW |
| Gear 2 used for power test. | |
| Max pull: | 16782 lbs 7612 kg |
| Gear 1 used for pull test. | |
Caterpillar RD7 Engine
1935 - 1940
| 1935 - 1940 |
| Agricultural Crawler tractor |
Series:
| Series: | RD7 |
| D7 ↓ |
Engine Detail
| Engine Detail | |
| Caterpillar | |
| diesel | |
| 4-cylinder | |
| liquid-cooled | |
| Displacement: | 831 ci 13.6 L |
| Bore/Stroke: | 5.75x8.00 inches 146 x 203 mm |
| Air cleaner: | oil bath |
| Rated RPM: | 1000 |
Mechanical
1935 - 1940
| 1935 - 1940 |
| Agricultural Crawler tractor |
Series:
| Series: | RD7 |
| D7 ↓ |
Transmission
| Transmission | |
| Type: | gear |
| Gears: | 4 forward and 1 reverse |
| Clutch: | dry disc |
Speeds
| Speeds | |
Dimensions & Tracks
9534 kg
1935 - 1940
| 1935 - 1940 |
| Agricultural Crawler tractor |
Series:
| Series: | RD7 |
| D7 ↓ |
Caterpillar RD7 Tracks
| Caterpillar RD7 Tracks | |
| Size: | 60, 74-inch tracks |
Dimensions
| Dimensions | |
| Operating weight: | 21020 lbs 9534 kg |
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