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Years in Production / 1935–1940
Caterpillar
RD7
Explore the specifications, hardware, and original references for the Caterpillar RD7.
No photo
75hp
Engine estimate · from belt
Tracks
Drive
1935–1940
Production years
Caterpillar
Manufacturer
RD7 / 01
At a glance
Production
Agricultural Crawler tractor
Built in Peoria, Illinois, USA
- Manufacturer
- Caterpillar
Mechanical
Open operator station.
- Drive
- crawler
RD7 / 02
Under the hood
Engine Detail
Caterpillar
diesel
4-cylinder
liquid-cooled
- Displacement
- 831 ci13.6 L
- Bore Stroke
- 5.75x8.00 inches146 x 203 mm
- Air Cleaner
- oil bath
- Rated Rpm
- 1000
- Fuel Type
- diesel
- Cylinders
- 4
- Cooling
- liquid-cooled
RD7 / 03
Gears & controls
Transmission
- Transmission Type
- gear
- Gears
- 4 forward and 1 reverse
- Clutch
- dry disc
RD7 / 04
Size. Stance. Footprint.
Tires And Tracks
Tracks
- Weight
- 21020 lbs9534 kg
RD7 / 05
Tests (NTTL)
Nebraska Tractor Test 253
Diesel 4-speed crawlerMay 5 - 15, 1936
Drawbar performance
Gear 1 used for pull test.
- Id
- 253
- Belt Power Max
- 68.24 hp50.9 kW
- Max Pull
- 14746 lbs6688 kg
Nebraska Tractor Test 254
Diesel 4-speed crawlerMay 21 - 25, 1936
Drawbar performance
Gear 2 used for power test.
Gear 1 used for pull test.
- Id
- 254
- Belt Power Max
- 77.47 hp57.8 kW
- Belt Fuel Use Max
- 5.3 gal/hour20.1 l/hour
- Max Power
- 65.73 hp49.0 kW
- Max Pull
- 16098 lbs7302 kg
Nebraska Tractor Test 255
Diesel 4-speed crawlerMay 21 - 25, 1936
Drawbar performance
Gear 2 used for power test.
Gear 1 used for pull test.
- Id
- 255
- Belt Power Max
- 95.97 hp71.6 kW
- Belt Fuel Use Max
- 9.0 gal/hour34.1 l/hour
- Max Power
- 78.35 hp58.4 kW
- Max Pull
- 16782 lbs7612 kg