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Tractor · 1949Unverified

John Deere R

Name: John Deere R
Brand: John Deere

John Deere R — Two-Cylinder Letter Series · 35 hp. Reference specifications; pending source verification.

The John Deere R is a 35 hp tractor, categorised as a lighter model within its class. It was manufactured from 1949 to 1954 and features a 2-cylinder diesel liquid-cooled engine, coupled with two-wheel drive and a 5-speed gearbox. The tractor has an operating weight of 7400 to 7603 pounds and is suitable for operations covering areas of up to 200 acres.

Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.

Rated power

35 hp

Max power

32.2 kW

Weight

7400 to 7603 pounds

Catalogue coverage

Variants represented

Richest spec table

73 rows

Recorded power

35 hp

Recorded weight

3356 kg

Transmissions

5-speed gear

Production years

1949-1954

Verified variants

1 linked source document displayed

Hover a source tag to verify

Overview

ManufacturerJohn DeereReference

Standard-tread tractorReference

Built in Waterloo, Iowa, USAReference

Total built21,293Reference

Original price was $3,650 in 1954Reference

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.Reference

Two-wheel driveReference

Manual steeringReference

Mechanical drum brakesReference

Open operator station.Reference

Engine

John Deere 6.8L 2-cyl dieselReference

Fuel tank83.3 LReference

Aux. fuel3.8 LReference

Drawbar (claimed)26.1 kWReference

Belt (claimed)32.1 kWReference

Plows4 (14-inch)Reference

Drawbar (tested)32.2 kWReference

Belt (tested)36.2 kWReference

John DeereReference

dieselReference

2-cylinderReference

liquid-cooledReference

Displacement6.8 LReference

Bore/Stroke146 x 203 mmReference

Air cleaneroil bathReference

Compression16:1Reference

Rated RPM1000Reference

Firing order1-2Reference

Starter type2-cylinder pony motorReference

Coolant capacity51.6 LReference

Oil capacity12.3 LReference

Belt power (max)36.2 kWReference

Max power32.2 kWReference

Transmission

5-speed gearReference

TypegearReference

Gears5 forward and 1 reverseReference

Clutchdry discReference

Oil capacity9.0 LReference

Oil typeSAE 90Reference

The tractor must be stopped and clutch used to shift gears.Reference

PTO & Hydraulics

Rear PTOliveReference

Rear PTO Type540Reference

Dimensions

Wheelbase217 cmReference

Weight7400 to 7603 poundsReference

Front tire7.50-18Reference

Rear tire14-34Reference

Ag front7.50-18Reference

Ag rear14-34Reference

Ag rear15-34Reference

Ag front30x6 steelReference

Ag rear54x12 steelReference

Length373 cmReference

Width201 cmReference

Height198 cmReference

Shipping weight3356 kgReference

Operating weight3448 kgReference

R Serial Number Location

Right side of tractor above belt pulley.Reference

R Serial Numbers

19491000Reference

19503541Reference

19516505Reference

195210745Reference

195315720Reference

195419485Reference

Final22293Reference

FAQ: How to read a serial number table.Reference

Electrical

GroundpositiveReference

Battery volts6Reference

Test results

Diesel 5-speed 2WDApril 19 - 28, 1949Link: Nebraska Tractor Test 406 fileReference

Belt fuel use (max)10.6 l/hourReference

Drawbar performanceReference

Gear 3 used for power test.Reference

Max pull3013 kgReference

Gear 1 used for pull test.Reference

Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.

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