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John Deere M

John Deere M tractor
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The John Deere M was produced from 1947 to 1952 as a utility tractor replacing the H, L, and LA models. It was the first tractor produced at Deere's Dubuque factory and introduced Deere's Touch-O-Matic hydraulic system. It featured PTO and electric starting as standard. Variants included the MT row-crop, MC crawler, and MI industrial models. The M was powered by a 1.6L 2-cylinder gasoline engine and had a 4-speed unsynchronized transmission.
John Deere Mtractorspecificationsenginetransmissiondimensionsutility tractorTouch-O-Matic1.6L engine4-speed transmission
Power22 hp[B]
Founded1947 - 1952
ModelM

Technical Specifications

Detailed specifications and technical data for John Deere M

Power

Belt (tested):20.45 hp (15.2 kW)
Belt (claimed):20 hp (14.9 kW)
Drawbar (tested):18.15 hp (13.5 kW)
Drawbar (claimed):18 hp (13.4 kW)

Engine

Type:John Deere 1.6L 2-cyl gasoline
Details:John Deere gasoline 2-cylinder liquid-cooled. The model M engine was also available as an all-fuel engine. Production numbers are unknown.
Fuel tank:10 gal (37.9 L)
Point gap:0.022 inches (0.559 mm)
Rated RPM:1650
Bore/Stroke:4.00x4.00 inches (102 x 102 mm)
Compression:6:1
Displacement:100.5 ci (1.6 L)
Firing order:1-2
Oil capacity:5 qts (4.7 L)
Sparkplug gap:0.025 inches (0.635 mm)
Starter volts:6
Coolant capacity:14 qts (13.2 L)
Intake valve clearance:0.012 inches Cold (0.305 mm)
Exhaust valve clearance:0.012 inches Cold (0.305 mm)

Variants

M:utility
MC:crawler
MI:industrial
MT:row-crop

Electrical

Ground:positive
Battery volts:6

Hydraulics

Type:Touch-O-Matic
Oil type:10W
Pressure:700 psi (48.3 bar)
Total flow:4.25 gpm (16.1 lpm)

Mechanical

Drive:Two-wheel drive
Brakes:Differential mechanical disc brakes
Steering:Manual steering
Operator station:Open operator station

Production

Type:Utility tractor
Notes:The M had been in development for several years during World War II prior to its introduction in 1947. The M replaced the H, L, and LA models. Three additional variants; the MT tricycle, MC crawler model, and MI industrial model were also built. The M was the first tractor to be produced at Deere's new Dubuque factory. It was the first to use Deere's Touch-O-Matic hydraulic system. PTO and electric starting were standard features.
Built in:Dubuque, Iowa, USA
Total built:45,799
Manufacturer:John Deere
Original price:$1,075 in 1952
Years produced:1947 - 1952

Belt Pulley

RPM:1575
Speed:2989 ft/min (911.05 meters/min)
Width:6.4 inches (16 cm)
Diameter:7.25 inches (18 cm)

Transmission

Type:unsynchronized gear
Gears:4 forward and 1 reverse

Tractor hitch

Type:Deere Quik-Tatch

Serial Numbers

1947:10001
1948:13734
1949:25604
1950:35659
1951:43525
1952:50580
Final:55799

Dimensions & Tires

Width:51 inches (129 cm)
Length:110 inches (279 cm)
Rear tire:8-24, 9-24, 10-24
Wheelbase:70 inches (177 cm)
Front tire:4.00x15, 5.00x15
Rear tread:38 to 52 inches (96 to 132 cm)
Front tread:38 to 52 inches (96 to 132 cm)
Height (hood):56 inches (142 cm)
Ground clearance:21 inches (53 cm)
Height (exhaust):66 inches (167 cm)
Operating weight:2600 lbs (1179 kg)

Power Take-off (PTO)

Rear PTO:transmission
Rear PTO Type:550

Related Models

John Deere 40

Model:40

John Deere BR

Model:BR