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Allis Chalmers H3

Allis Chalmers H3 tractor
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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.
Allis Chalmers H3tractorcrawler tractorspecificationsenginetransmissiondimensionsattachmentsagricultural tractor
Power35 hp[P]
Founded1960 - 1967
ModelH3

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

Serial Numbers

1960:1001
1961:1250
1962:3199
1963:6001
1964:6945
1965:7890
1966:8856
1967:9483

Power Take-off (PTO)

Rear PTO:optional
Rear PTO Type:540