Engine Horsepower: 47 hp
Manufactured: 1949 to 1954
John Deere R Summary
The John Deere R was produced from 1949 to 1954 and was the company's first diesel tractor. Built in Waterloo, Iowa, a total of 21,293 units were made. It delivers 35 hp at the drawbar and 43 hp at the belt (claimed), with tested outputs of 43.15 hp and 48.58 hp respectively.

John Deere R Horsepower, Weight, and Specifications:
Production
Who manufactured and built the John Deere R tractor, and how many units were made?
- Manufacturer: John Deere
- Standard-tread tractor
- Built in: Waterloo, Iowa, USA
- Total built: 21,293
- Original price (1954): $3,650
- The model R was John Deere's first diesel tractor and the first with a live PTO, which used a separate clutch.
Engine
What engine specifications does the John Deere R tractor have?
- Engine: John Deere 6.8L 2-cyl diesel
- Fuel tank capacity: 22 gal (83.3 L)
- Auxiliary fuel capacity: 1 gal (3.8 L)
Transmission
What type of transmission does the John Deere R tractor use?
- Type: 5-speed gear
Horsepower
What are the horsepower specifications of the John Deere R tractor?
- Drawbar (claimed): 35 hp (26.1 kW)
- Belt (claimed): 43 hp (32.1 kW)
- Plows: 4 (14-inch)
- Drawbar (tested): 43.15 hp (32.2 kW)
- Belt (tested): 48.58 hp (36.2 kW)
Mechanical
What are the mechanical features of the John Deere R tractor?
- Drive: Two-wheel drive
- Steering: Manual
- Brakes: Mechanical drum brakes
- Operator station: Open
Power Take-off (PTO)
What are the PTO specifications of the John Deere R tractor?
- Rear PTO: Live
- Rear RPM: 540
Dimensions & Tires
What are the dimensions and tire specifications of the John Deere R tractor?
- Wheelbase: 85.5 inches (217 cm)
- Weight: 7400 to 7603 pounds
- Front tire: 7.50-18
- Rear tire: 14-34
Electrical
What are the electrical specifications of the John Deere R tractor?
- Ground: Positive
- Battery volts: 6
Disclaimer: The information provided on this page may be less than 100% accurate. Always check the manufacturer's official manual.