Allis Chalmers

Allis Chalmers H3

The Allis-Chalmers H3 crawler was based on the gas-powered D15 farm tractor. It is an agricultural crawler tractor built from 1960 to 1967 in Springfield, Illinois, USA. It features a 2.4L 4-cylinder gasoline engine, an 8-speed two-speed power shift or 4-speed mechanical shuttle transmission, and a crawler drive. The tractor has an open operator station and mechanical contracting band brakes. It offers various attachments including blades, front-end loaders, and backhoes.

Power35 hp[P]

Founded1960 - 1967

ModelH3

View Images

Technical Specifications

Detailed specifications and technical data for Allis Chalmers H3

Power

PTO (tested)	32.11 hp (23.9 kW)
Drawbar (tested)	25.48 hp (19.0 kW)

Engine

Make	Allis Chalmers
Type	gasoline
Cooling	liquid-cooled
Starter	electric
Cylinders	4-cylinder
Rated RPM	1650
Air cleaner	oil bath
Bore/Stroke	3.50x3.875 inches (89 x 98 mm)
Fuel system	Marvel-Schebler carburetor
Displacement	149 ci (2.4 L)
Starter volts	12
Coolant capacity	9 qts (8.5 L)
Compression ratio	7.5:1

Loader

Model	Allis-Chalmers 1066 Loader
Weight	2379 lbs (1079 kg)
Dump angle	50°
Bucket width	60 inches (152 cm), 66 inches (167 cm)
Breakout force	8000 lbs (3628 kg)
Rollback angle	60°
Clearance (dumped)	96 inches (243 cm)
Lift capacity (full at pin)	3600 lbs (1632 kg)

Tracks

Width options	7 inches (17 cm), 10 inches (25 cm), 12 inches (30 cm), 14 inches (35 cm)

Backhoe

Model	Allis-Chalmers Mark V Backhoe
Weight	2821 lbs (1279 kg)
Swing Arc	200°
Digging depth	162 inches (411 cm)
Loading height	122 inches (309 cm)
Reach from pivot	188 inches (477 cm)
Transport height	135 inches (342 cm)

Capacity

Fuel	14 gal (53.0 L)
Hydraulic system	16.5 gal (62.5 L)

Variants

H3	gas engine
HD3	diesel engine

Blade 80"

Cut	10 inches (25 cm)
Lift	38 inches (96 cm)
Tilt	8 inches (20 cm)
Model	Allis-Chalmers 1080
Mount	front-mount
Width	80 inches (203 cm)
Height	24 inches (60 cm)
Weight	1560 lbs (707 kg)
Angling	25°
Lift type	hydraulic-lift
Angle type	hydraulic-angle

Blade 90"

Cut	11 inches (27 cm)
Lift	48 inches (121 cm)
Tilt	11 inches (27 cm)
Model	Allis-Chalmers 1090
Mount	front-mount
Width	90 inches (228 cm)
Height	24 inches (60 cm)
Weight	1942 lbs (880 kg)
Angling	25°
Lift type	hydraulic-lift
Angle type	manual-angle

Dimensions

Gauge	48 inches (121 cm)
Length	108.75 inches (276 cm)
Weight	7395 lbs (3354 kg)
Wheelbase	64 inches (162 cm)
Height (hood)	48.3 inches (122 cm)
Height (exhaust)	71.7 inches (182 cm)

Hydraulics

Type	open center
Valves	1 to 3
Capacity	16.5 gal (62.5 L)
Pump flow	15 gpm (56.8 lpm), 25 gpm (optional) (94.6 lpm)

Mechanical

Drive	crawler
Brakes	Mechanical contracting band brakes
Steering	mechanical clutches
Operator station	Open operator station

Production

Type	Agricultural Crawler tractor
Notes	The Allis-Chalmers H3 crawler was based on the gas-powered D15 farm tractor.
Built in	Springfield, Illinois, USA
Years produced	1960 - 1967

Attachments

Blade	80" Blade, 90" Blade
Backhoe	Allis-Chalmers Mark V Backhoe
Front-end loader	Allis-Chalmers 1066 Loader

Transmission

Notes	Four gears (1-4) plus reverse (R) with two-speed high/low power shift.
Clutch (gear)	dry disc
Power Director	two-speed power shift
Mechanical shuttle	4 forward and reverse
Transmission options	8-speed two-speed power shift, 4-speed mechanical shuttle
Gears (Power Director)	8 forward and 2 reverse
Clutch (Power Director)	wet disc