Deere M tractor specifications

1947 - 1952

1947 - 1952 Two-Cylinder Letter SeriesUtility tractor

Production

Production Manufacturer:John Deere
Type:Utility tractor
Factory:Dubuque, Iowa, USA
Total built:45,799
Original price:$1,075 (1952 )
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.

Variants

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

1947 - 1952

Two-Cylinder Letter Series

Utility tractor

Production

Production
Manufacturer:	John Deere
Type:	Utility tractor
Factory:	Dubuque, Iowa, USA
Total built:	45,799
Original price:	$1,075 (1952 )
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.

Variants

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

John Deere M Power

John Deere M Power
Drawbar (claimed):	18 hp 13.4 kW
Belt (claimed):	20 hp 14.9 kW
Drawbar (tested):	18.15 hp 13.5 kW
Belt (tested):	20.45 hp 15.2 kW
power test details ...

John Deere M Engine

John Deere M Engine
John Deere 1.6L 2-cyl gasoline
Fuel tank:	10 gal 37.9 L
Engine details ...

Mechanical

Mechanical
Chassis:	4x2 2WD
Steering:	manual
Brakes:	differential mechanical disc
Cab:	Open operator station.
Transmission:	4-speed unsynchronized gear
Transmission details ...

Hydraulics

Type:

Touch-O-Matic

Pressure:

700 psi
48.3 bar

Total flow:

4.25 gpm
16.1 lpm

Oil type:

10W

Tractor hitch

Tractor hitch
Type:	Deere Quik-Tatch

Power Take-off (PTO)

Power Take-off (PTO)
Rear PTO:	transmission
Rear RPM:	550

Dimensions & Tires

Dimensions & Tires
Wheelbase:	70 inches 177 cm
Weight:	2600 lbs 1179 kg
Front tire:	4.00x15
Rear tire:	8-24
Full dimensions and tires ...

M Serial Numbers

M Serial Numbers
Location:	Serial number plate located on the lower part of dash.
photo of M serial number
1947:	10001
1948:	13734
1949:	25604
1950:	35659
1951:	43525
1952:	50580
Final:	55799
how to read serial numbers...

External Links

External Links
M 3-point Hitch Conversion: Modification of the M's hitch to a three-point hitch

Belt Pulley

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

Electrical

Electrical
Ground:	positive
Battery volts:	6

John Deere M Power

John Deere M Power Drawbar (claimed):18 hp
13.4 kW
Belt (claimed):20 hp
14.9 kW
Drawbar (tested):18.15 hp
13.5 kW
Belt (tested):20.45 hp
15.2 kW
power test details ...

1947 - 1952

Two-Cylinder Letter Series

Utility tractor

Nebraska Tractor Test 387

Nebraska Tractor Test 387
Gasoline 4-speed 2WD October 6 - 16, 1947 Link: Nebraska Tractor Test 387 file
Belt power (max):	20.45 hp 15.2 kW
Belt fuel use (max):	2.0 gal/hour 7.6 l/hour
Drawbar performance
Max power:	18.15 hp 13.5 kW
Gear 3 used for power test.
Max pull:	2,329 lbs 1056 kg
Gear 1 used for pull test.

John Deere M Engine

John Deere M Engine John Deere 1.6L 2-cyl gasoline Fuel tank:10 gal
37.9 L
Engine details ...

1947 - 1952

Two-Cylinder Letter Series

Utility tractor

Engine Detail

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

Mechanical

Mechanical Chassis:4x2 2WD
Steering:manual
Brakes:differential mechanical disc
Cab:Open operator station.
Transmission:4-speed unsynchronized gear
Transmission details ...

1947 - 1952

Two-Cylinder Letter Series

Utility tractor

Transmission

Transmission
Type:	unsynchronized gear
Gears:	4 forward and 1 reverse

Speeds

Speeds
With 9-24 rear tires.

Hydraulics

Hydraulics Type:Touch-O-Matic
Pressure:700 psi
48.3 bar
Total flow:4.25 gpm
16.1 lpm
Oil type:

10W

Tractor hitch

Tractor hitch Type:Deere Quik-Tatch

Power Take-off (PTO)

Power Take-off (PTO) Rear PTO:transmission
Rear RPM:550

Dimensions & Tires

Dimensions & Tires Wheelbase:70 inches
177 cm
Weight:2600 lbs
1179 kg
Front tire:4.00x15
Rear tire:8-24
Full dimensions and tires ...

1947 - 1952

Two-Cylinder Letter Series

Utility tractor

John Deere M Tires

John Deere M Tires
Ag front:	4.00x15
Ag rear:	8-24
Ag front:	5.00x15
Ag rear:	9-24
	10-24

Dimensions

Dimensions
Wheelbase:	70 inches 177 cm
Length:	110 inches 279 cm
Width:	51 inches 129 cm
Height (hood):	56 inches 142 cm
Height (exhaust):	66 inches 167 cm
Operating weight:	2600 lbs 1179 kg
Ground clearance:	21 inches 53 cm
Front tread:	38 to 52 inches 96 to 132 cm
Rear tread:	38 to 52 inches 96 to 132 cm

M Serial Numbers

M Serial Numbers Location:Serial number plate located on the lower part of dash.
photo of M serial number
1947:10001
1948:13734
1949:25604
1950:35659
1951:43525
1952:50580
Final:55799

how to read serial numbers...