Allis Chalmers D12 tractor specifications

1959 - 1968

1959 - 1968 D SeriesRow-Crop tractor

Series:

Series:D10 ← D12

1959 - 1967

D Series

Row-Crop tractor

Series:

D10

→ D12

Production

Production
Manufacturer:	Allis Chalmers
Type:	Row-Crop tractor
Factory:	West Allis, Wisconsin, USA
Total built:	9,100
Original price:	$3400 (1967)

Variants

Variants
D10 High Clearance:	cultivation tractor
D12:	two-row tractor

Allis Chalmers D10 Power

Allis Chalmers D10 Power
Engine:	31 hp 23.1 kW
Drawbar (claimed):	26 hp 19.4 kW
PTO (claimed):	30.1 hp 22.4 kW
Drawbar (tested):	28.78 hp 21.5 kW
PTO (tested):	33.46 hp 25.0 kW
power test details ...

Allis Chalmers D10 Engines

Allis Chalmers D10 Engines
Allis-Chalmers 2.3L 4-cyl gasoline
Allis-Chalmers 2.4L 4-cyl gasoline
Fuel tank:	12 gal 45.4 L
Engine details ...

Mechanical

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

Hydraulics

Hydraulics
Type:	live
Valves:	1 or 2

Tractor hitch

Tractor hitch
Rear Type:	I
Type:	Snap-Couple

Power Take-off (PTO)

Power Take-off (PTO)
Rear PTO:	transmission (original), independent (later)
Rear RPM:	540

Dimensions & Tires

Dimensions & Tires
Wheelbase:	78.75 inches 200 cm
Weight:	2,700 lbs 1224 kg
Front tire:	4.00x15
Rear tire:	9x24
Full dimensions and tires ...

D10 Serial Numbers

D10 Serial Numbers
Location:	Serial number stamped into the flange where the engine and transmission meet on the left side of the tractor.
photo of D10 serial number
1959:	1001
1960:	1950
1961:	2801
1962:	4511
1963:	6801
1964:	7675
1965:	9204
1966:	9486
1967:	9795
how to read serial numbers...

Belt Pulley

Belt Pulley
RPM:	1220
Speed:	2556 ft/min 779.07 meters/min

Production

Production Manufacturer:Allis Chalmers
Type:Row-Crop tractor
Factory:West Allis, Wisconsin, USA
Original price:$3,522 (1968)

Variants

Variants D12 High Clearance:cultivation tractor
D10:single-row tractor

1959 - 1967

High-Clearance tractor

Production

Production
Manufacturer:	Allis Chalmers
Type:	High-Clearance tractor

Variants

Variants
D12:	utility tractor

Allis Chalmers D12 High Clearance Power

Allis Chalmers D12 High Clearance Power
Drawbar (claimed):	25.75 hp 19.2 kW
PTO (claimed):	30 hp 22.4 kW

Allis Chalmers D12 High Clearance Engines

Allis Chalmers D12 High Clearance Engines
Allis-Chalmers 2.3L 4-cyl gasoline
Allis-Chalmers 2.4L 4-cyl gasoline
Engine details ...

Mechanical

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

Capacity

Capacity
Hydraulic system:	0.75 gal 2.8 L

Hydraulics

Hydraulics
Type:	live
Capacity:	0.75 gal 2.8 L
Rear valves:	1 or 2

Tractor hitch

Tractor hitch
Rear Type:	I
Type:	Snap-Couple

Power Take-off (PTO)

Power Take-off (PTO)
Rear RPM:	540

Dimensions & Tires

Dimensions & Tires
Wheelbase:	78.75 inches 200 cm
Weight:	3,080 lbs 1397 kg
Rear tire:	9x36
Full dimensions and tires ...

Belt Pulley

Belt Pulley
RPM:	1220
Speed:	2556 ft/min 779.07 meters/min

Allis Chalmers D12 Power

Allis Chalmers D12 Power Engine:31 hp
23.1 kW
Drawbar (claimed):25.75 hp
19.2 kW
PTO (claimed):30 hp
22.4 kW
Drawbar (tested):29.43 hp
21.9 kW
PTO (tested):33.32 hp
24.8 kW
power test details ...

1959 - 1968

D Series

Row-Crop tractor

Series:

D10 ←

D12

Nebraska Tractor Test 723

Nebraska Tractor Test 723
138 gasoline 4-speed 2WD October 13 - 20, 1959 Link: Nebraska Tractor Test 723 file
PTO performance
Power at rated engine speed:	28.56 hp 21.3 kW
Fuel use:	2.3 gal/hour 8.7 l/hour
Drawbar performance
Max power:	23.56 hp 17.6 kW
Fuel use:	2.2 gal/hour 8.3 l/hour
Gear 3 used for power test.
Max pull:	4,041 lbs 1832 kg
Gear 1 used for pull test.

Nebraska Tractor Test 813

Nebraska Tractor Test 813
149 gasoline 4-speed 2WD April 4 - 19, 1962 Link: Nebraska Tractor Test 813 file
PTO performance
Power at rated engine speed:	33.32 hp 24.8 kW
Fuel use:	2.7 gal/hour 10.2 l/hour
Drawbar performance
Max power:	29.43 hp 21.9 kW
Fuel use:	2.8 gal/hour 10.6 l/hour
Gear 3 used for power test.
Max pull:	4,241 lbs 1923 kg
Gear 1 used for pull test.

Allis Chalmers D12 Engines

Allis Chalmers D12 Engines Allis-Chalmers 2.3L 4-cyl gasoline Allis-Chalmers 2.4L 4-cyl gasoline Fuel tank:12.5 gal
47.3 L
Engine details ...

1959 - 1968

D Series

Row-Crop tractor

Series:

D10 ←

D12

Engines overview

Engines overview
Allis-Chalmers 2.3L 4-cyl gasoline
Allis-Chalmers 2.4L 4-cyl gasoline

Engine Detail

Engine Detail
Allis-Chalmers
gasoline
4-cylinder
liquid-cooled vertical L-head
Original engine, used until 149 ci engine appeared in 1961.
Displacement:	138.7 ci 2.3 L
Bore/Stroke:	3.375x3.875 inches 86 x 98 mm
Power:	31 hp 23.1 kW
Air cleaner:	oil bath
Compression:	7.75:1
Rated RPM:	1650
Starter volts:	6
Oil capacity:	4 qts 3.8 L
Coolant capacity:	8 qts 7.6 L

Engine Detail

Engine Detail
Allis-Chalmers
gasoline
4-cylinder
liquid-cooled
The larger, 149 cubic inch, engine was introduced on the D12 at serial number 3001 in 1961.
Displacement:	149 ci 2.4 L
Bore/Stroke:	3.50x3.875 inches 89 x 98 mm
Air cleaner:	oil bath
Compression:	7.5:1
Rated RPM:	1650
Firing order:	1-2-4-3

Mechanical

Mechanical Chassis:4x2 2WD
Cab:Open operator station.
Transmission:4-speed sliding gear
Transmission details ...

1959 - 1968

D Series

Row-Crop tractor

Series:

D10 ←

D12

Transmission

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

Speeds

Speeds
Allis D12 with 10x24 rear tires.

Hydraulics

Hydraulics Type:live
Valves:1 or 2

Tractor hitch

Tractor hitch Rear Type:I
Type:Snap-Couple

Power Take-off (PTO)

Power Take-off (PTO) Rear RPM:540

Dimensions & Tires

Dimensions & Tires Wheelbase:78.75 inches
200 cm
Weight:2,800 lbs
1270 kg
Front tire:5.00x15
Rear tire:10x24
Full dimensions and tires ...

1959 - 1968

D Series

Row-Crop tractor

Series:

D10 ←

D12

Allis Chalmers D12 Tires

Allis Chalmers D12 Tires
Ag front:	5.00x15
Ag rear:	10x24
Ag rear:	11x24

Dimensions

Dimensions
Wheelbase:	78.75 inches 200 cm
Length:	121 inches 307 cm
Height (hood):	52.5 inches 133 cm
Height (exhaust):	76.5 inches 194 cm
Shiping weight:	2,800 lbs 1270 kg
Ballasted weight:	5,630 lbs 2553 kg
Clearance (front axle):	20.25 inches 51 cm
Clearance (rear axle):	22.25 inches 56 cm
Front tread:	49.3 to 80 inches 125 to 203 cm
Rear tread:	52 to 79.25 inches 132 to 201 cm

D12 Serial Numbers

D12 Serial Numbers Location:Serial number stamped into the flange where the engine and transmission meet on the left side of the tractor.
photo of D12 serial number
1959:1001
1960:1950
1961:2801
1962:3638
1963:5501
1964:6012
1965:9192
1966:9508
1967:9830

how to read serial numbers...