Allis Chalmers HD9

The Allis Chalmers HD9 is a tractor produced by Allis Chalmers. It is equipped with a 284 ci 4.7 L engine. Transmission: 6 forward and 3 reverse. Drive type: crawler. Operating weight: 18800 lbs 8527 kg.

Drive & Traction

crawler

Fuel & Capacities

55 gal 208.2 L

Transmission

6 forward and 3 reverse

Operating Weight

18800 lbs 8527 kg

Overview

	1951 - 1955 Agricultural Crawler tractor

Production
Manufacturer	Allis Chalmers
Agricultural Crawler tractor
Built in Springfield, Illinois, USA
Total built	5,850

Allis Chalmers HD9 Engine
General Motors 4.7L 4-cyl diesel
Fuel tank	55 gal 208.2 L
Engine details ...

Allis Chalmers HD9 Transmission
6-speed gear
Transmission details ...

Allis Chalmers HD9 Power
Drawbar (claimed)	70 hp 52.2 kW
Belt (claimed)	84 hp 62.6 kW
Drawbar (tested)	67.39 hp 50.3 kW
Belt (tested)	79.1 hp 59.0 kW
Performance test details ...

Mechanical
Drive	crawler
Open operator station.

Dimensions & Tracks
Weight	18800 lbs 8527 kg
16-inch tracks
Full dimensions and tracks ...

References

HD-9 published in 1953, by Allis Chalmers

Engine

Engine Detail — 284 ci / 4.7 L Diesel

Manufacturer	General Motors
Configuration	4-cylinder, liquid-cooled 2-cycle vertical I-head
blower diesel
Displacement	284 ci 4.7 L
Bore/Stroke	4.25x5.00 inches 108 x 127 mm
Compression	16.0:1
Rated RPM	1600
Starter volts	12
Oil capacity	16 qts 15.1 L
Coolant capacity	29 qts 27.4 L

Transmission

Transmission — 6 forward and 3 reverse gear

Type	gear
Gears	6 forward and 3 reverse
Oil capacity	27 qts 25.6 L

Dimensions

Allis Chalmers HD9 Tracks
Width	16 inches 40 cm
Width	20 inches 50 cm

Dimensions
Length	150 inches 381 cm
Width	95.1 inches 241 cm
Height	73.1 inches 185 cm
Shipping weight	18800 lbs 8527 kg
Gauge	74 inches 187 cm

Tests

Nebraska Tractor Test 463
Diesel 6-speed crawler July 17 - 28, 1951 Link: Nebraska Tractor Test 463 file
Belt power (max)	79.1 hp 59.0 kW
Drawbar performance
Max power	67.39 hp 50.3 kW
Gear 2 used for power test.
Max pull	19035 lbs 8634 kg
Gear 1 used for pull test.

Photos

1954 Allis-Chalmers model HD9 cable dozer.

Fluids, Capacities & Working Autonomy

Standard fluid requirements, service intervals, and continuous runtime estimates for Allis Chalmers HD9.

Engine Crankcase Oil

SAE 15W-40 (Heavy Duty Diesel)

Standard Spec: API CK-4 / CJ-4 Heavy Duty

Service Interval: 150 – 250 Hours

Transmission & Hydraulic System

UTTO (Universal Tractor Transmission Oil)

Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)

Service Interval: 600 – 1000 Hours

Engine Cooling System

50/50 Ethylene Glycol Pre-mix

Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze

Service Interval: 2 Years / 1500 Hours