John Deere R

John Deere R tractor photo
1949 - 1954
Two-Cylinder Letter Series
Standard-tread tractor
Series map:
*Estimated engine power for comparison only.
ManufacturerJohn Deere
Standard-tread tractor
Built in Waterloo, Iowa, USA
Total built21,293
Original price was $3,650 in 1954
The model R was John Deere's first diesel tractor. The R was the first John Deere tractor with a live PTO, which used a separate clutch.
John Deere R Engine
John Deere 6.8L 2-cyl diesel
Fuel tank22 gal
83.3 L
Aux. fuel1 gal
3.8 L
Engine details ...
John Deere R Power
Drawbar (claimed)35 hp
26.1 kW
Belt (claimed)43 hp
32.1 kW
Plows4 (14-inch)
Drawbar (tested)43.15 hp
32.2 kW
Belt (tested)48.58 hp
36.2 kW
Performance test details ...
Two-wheel drive
Manual steering
Mechanical drum brakes
Open operator station.
Power Take-off (PTO)
Rear PTOlive
Rear RPM540
Dimensions & Tires
Wheelbase85.5 inches
217 cm
Weight7400 to 7603 pounds
Front tire7.50-18
Rear tire14-34
Full dimensions and tires ...
R Serial Number Location
John Deere R serial number location
Right side of tractor above belt pulley.
R Serial Numbers

FAQ: How to read a serial number table.
Battery volts6
R references literature
The John Deere Styled "Letter" Series by J.R. Hobbs
Tractors 1918-1976 published by John Deere
The New Model R Diesel published in 1949, by John Deere
Operator's Manual Model R Diesel Tractor (OM-R2012)
Page information
Peter Easterlund - owner of
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Peter Easterlund - owner/author
Updated on July 17, 2023 - Official operator manuals for purchase or download from Deere.
©2000-2023 -®. Notice: Every attempt is made to ensure the data listed is accurate. However, differences between sources, incomplete listings, errors, and data entry mistakes do occur. Consult official literature from the manufacturer before attempting any service or repair.