John Deere D Specifications - John Deere D Specs

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Series: Unstyled D, D ↓
Production
Manufacturer: John Deere
Type: Standard-tread tractor
Factory: Waterloo, Iowa, USA
Total built: 160,000
Original price: $1,000 (1924 )
The D had the longest run of any model of John Deere tractor, the styled and unstyled versions ran from March 1, 1923 until July 3, 1953. Serial numbers 31321 through 31412 are not model Ds, but are Waterloo Boy Ns which were built after model D production had begun.
John Deere D Power
Drawbar (claimed): 15 hp 11.2 kW
Belt (claimed): 27 hp 20.1 kW
Plows: 3 (14-inch)
Drawbar (tested): 29.90 hp 22.3 kW
Belt (tested): 41.59 hp 31.0 kW
John Deere D Engines
Fuel tank: 18 gal 68.1 L (early), 23.5 gal 88.9 L (after 1931)
Aux. fuel: 2.5 gal 9.5 L (early), 1.5 gal 5.7 L (after 1931)
Mechanical
Chassis: 4x2 2WD
Steering: manual
Cab: Open operator station with steel pan seat.
Transmissions: 2-speed unsynchronized gear, 3-speed unsynchronized gear
Power Take-off (PTO)
Rear PTO: optional
Rear RPM: 525
Dimensions & Tires
Weight: 4090 to 5880 pounds
Front tire: 28x5
Rear tire: 46x12
D Serial Numbers
Location: Operator's platform, ahead of seat mount.
Belt Pulley
Diameter: 13.25 inches 33 cm
Width: 8.5 inches 21 cm
RPM: 900
Speed: 3122 ft/min 951.59 meters/min
info
N ↑
Series: Unstyled D, D ↓
Engines overview
John Deere 7.6L 2-cyl all fuel, John Deere 8.2L 2-cyl all fuel
Engine Detail
John Deere, all fuel, 2-cylinder, liquid-cooled, The larger 501 cubic inch engine was introduced in 1927, replacing the 465..
Displacement: 501 ci 8.2 L
Bore/Stroke: 6.75x7.00 inches 171 x 178 mm
Compression: 3.91:1
Rated RPM: 900
Firing order: 1-2
Oil capacity: 13 qts 12.3 L
Coolant capacity: 52 qts 49.2 L (early), 56 qts 53.0 L (after 1931)
info
N ↑
Series: Unstyled D, D ↓
Transmissions overview
2-speed unsynchronized gear, 3-speed unsynchronized gear
Transmission
Type: unsynchronized gear
Gears: 3 forward and 1 reverse
Three-speed transmission was introduced in 1935
info
N ↑
Series: Unstyled D, D ↓
John Deere D Tires
Ag front: 28x5 (steel), 28x6 (steel), 7.50x18
Ag rear: 46x12 (steel), 12.75x28
Dimensions
Length: 109 inches 276 cm (prior to 1930), 130 inches 330 cm (after 1930)
Width: 56 inches 142 cm, 66.5 inches 168 cm
Weight: 4090 lbs 1855 kg (early), 5880 lbs 2667 kg (late)
John Deere D Height
Hood: 56 inches 142 cm (prior to 1930), 58 inches 147 cm (1930 to 1934), 61.25 inches 155 cm (after 1934)