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Allis Chalmers 918

Allis Chalmers 918 tractor
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The Allis Chalmers 918 is a backhoe loader tractor produced from 1968 to 1974. It was built in Topeka, Kansas, USA, and based on a model 190 farm tractor chassis converted into a loader-backhoe. It features an Allis-Chalmers 4.9L 6-cylinder diesel engine producing 84 hp, a 4-speed power shuttle transmission, and two-wheel drive with spur gear final drives. The tractor has an open operator station with optional cab, power steering, and disc brakes. Its hydraulics system is open center with a total flow of 52.6 gpm. The loader has a 6500 lbs lift capacity and 1.5 cubic yard bucket capacity, while the backhoe offers a digging depth of 216 inches and a bucket force of 15752 lbs. The tractor weighs 18500 lbs and has industrial tires sized 9.00-20 front and 23.1-26 rear.
Allis Chalmers 918backhoe loadertractorspecificationsenginetransmissiondimensionshydraulicsattachments
Power-
Founded-
Model918

Technical Specifications

Detailed specifications and technical data for Allis Chalmers 918

Power

Engine power:84 hp (62.6 kW)

Engine

Type:diesel
Model:Allis-Chalmers 2800
Power:84 hp (62.6 kW)
Cooling:liquid-cooled
Idle RPM:650-2425
Cylinders:6-cylinder
Fuel tank:35.5 gal (134.4 L)
Rated RPM:2200
Air cleaner:dry
Bore/Stroke:3.875x4.25 inches (98 x 108 mm)
Displacement:301 ci (4.9 L)
Firing order:1-5-3-6-2-4
Oil capacity:9 qts (8.5 L)
Starter volts:12
Coolant capacity:18 qts (17.0 L)
Compression ratio:16.25:1
Intake valve clearance:0.015 inches (hot) (0.381 mm)
Exhaust valve clearance:0.015 inches (hot) (0.381 mm)

Electrical

Ground:negative
Batteries:2
Battery AH:95
Battery volts:12
Charging system:alternator

Hydraulics

Type:open center
Pressure:2250 psi (155.1 bar)
Pump flow:37.5 gpm (141.9 lpm)
Total flow:52.6 gpm (199.1 lpm)
Loader flow:26 gpm available to the loader
Backhoe flow:Full 37.5 gpm available to the backhoe
Steering flow:6 gpm (22.7 lpm)
Steering pressure:1850 psi (127.6 bar)
Transmission flow:9.1 gpm (34.4 lpm)

Mechanical

Drive:Two-wheel drive
Brakes:Disc brakes
Final drives:spur gear
Power steering:Yes
Operator station:Open operator station. Cab optional.

Production

Type:Backhoe loader tractor
Notes:The Allis-Chalmers 918 was based on a model 190 farm tractor chassis that was converted into a loader-backhoe.
Built in:Topeka, Kansas, USA
Years produced:1968 - 1974

Transmission

Type:power shuttle
Gears:4 forward and reverse
Clutch:hydraulic wet disc
Description:Four-speed transmission with torque converter and power shuttle.

Backhoe & Loader

Dig depth:216 inches (548 cm)
Swing arc:180°
Dump angle:52 degrees
Dump height:52 inches (132 cm)
Backhoe type:Allis-Chalmers Backhoe
Bucket force:15752 lbs (7145 kg)
Bucket width:96 inches (243 cm)
Rollback angle:34 degrees
Bucket capacity:1.5 cu yd (1.1 cu m)
Bucket rotation:172°
Loader dump time:4.2s
Dipperstick force:9831 lbs (4459 kg)
Loader raise time:3.1s
Backhoe bucket width:24 inches (60 cm)
Loader rollback time:3.0s
Backhoe digging depth:216 inches (548 cm)
Loader reach (dumped):45.5 inches (115 cm)
Loader reach (ground):84 inches (213 cm)
Backhoe loading height:118.3 inches (300 cm)
Loader height (at pin):134.4 inches (341 cm)
Additional bucket widths:30 inches (76 cm), 36 inches (91 cm)
Backhoe reach from pivot:246.5 inches (626 cm)
Backhoe transport height:152.3 inches (386 cm)
2-Foot flat digging depth:210 inches (533 cm)
Loader clearance (dumped):105 inches (266 cm)

Dimensions & Tires

Length:329.5 inches (836 cm)
Weight:18500 lbs (8391 kg)
Rear tire:23.1-26, 18.4-26 (industrial)
Wheelbase:105.8 inches (268 cm)
Front tire:9.00-20, 11.00-16 (industrial)
Rear tread:72.25 inches (183 cm)
Front tread:67 inches (170 cm)
Height (backhoe):152.3 inches (386 cm)

Related Models

Allis Chalmers 190

Model:190