Allis Chalmers HD6
The Allis Chalmers HD6 is a tractor produced by Allis Chalmers. It is equipped with a 344 ci 5.6 L engine. The rated power output is 57 hp 42.5 kW. Transmission: 2 forward and reverse. Drive type: crawler. Operating weight: 12400 to 13400 pounds.
Engine Power
57 hp
42.5 kW
Drive & Traction
crawler
Fuel & Capacities
40 gal
151.4 L
Transmission
2 forward and reverse
Operating Weight
13400 lbs
6078 kg
Allis Chalmers HD6 Serial Number & Year Decoder
Find the exact manufacture year of your tractor by checking your chassis serial number below.
Where to Find the Serial NumberThe serial number plate is commonly located on the front frame, tractor transmission housing (right side), or instrument panel badge.
Overview
 | 1955 - 1974
Agricultural Crawler tractor |
|---|---|
1955 - 1974 | |
Agricultural Crawler tractor | |
Production | |
|---|---|
Manufacturer | Allis Chalmers |
Agricultural Crawler tractor | |
Built in Springfield, Illinois, USA | |
Variants | |
|---|---|
HD6A | 44-inch gauge |
HD6B | 60-inch gauge |
HD6E | 5-roller |
HD6G | loader |
HD6EP | power shift |
HD6AG | turbocharged |
Allis Chalmers HD6 Engine | |
|---|---|
Allis-Chalmers 5.6L 4-cyl diesel | |
Fuel tank | 40 gal
151.4 L |
Engine details ...  | |
Allis Chalmers HD6 Power | |
|---|---|
Engine (net) | 57 hp
42.5 kW |
Drawbar (claimed) | 45 hp
33.6 kW |
Belt (claimed) | 55 hp
41.0 kW |
Drawbar (tested) | 49.95 hp
37.2 kW |
Belt (tested) | 60.51 hp
45.1 kW |
Performance test details ...  | |
Mechanical | |
|---|---|
Drive | crawler |
Open operator station. | |
Dimensions & Tracks | |
|---|---|
Weight | 12400 to 13400 pounds |
13-inch tracks | |
Full dimensions and tracks ...  | |
References | |
|---|---|
 | |
HD-6 published in 1955, by Allis Chalmers | |
Engineering-in-Action published in 1956, by Allis Chalmers | |
Farm Crawlers published in 1962, by Allis Chalmers | |
Crawler Tractor Farming published by Allis Chalmers | |
Big Power Farming published in 1965, by Allis Chalmers |
Engine
Engine Detail — 344 ci / 5.6 L Diesel
Manufacturer | Allis-Chalmers HD-344 |
Fuel Type | Diesel |
Configuration | 4-cylinder, liquid-cooled vertical I-head |
Displacement | 344 ci
5.6 L |
Bore/Stroke | 4.4375x5.5626 inches
113 x 141 mm |
Power (net) | 57 hp
42.5 kW |
Compression | 15.0:1 |
Rated RPM | 1800 |
Starter volts | 24 |
Oil capacity | 10 qts
9.5 L |
Coolant capacity | 15 qts
14.2 L |
Allis Chalmers HD6 Engine | |
|---|---|
 |
Transmission
Transmission options | |
|---|---|
5-speed sliding gear | |
2-speed power shift |
Transmission — 5 forward and 1 reverse sliding gear
Type | sliding gear |
Gears | 5 forward and 1 reverse |
Oil capacity | 20 qts
18.9 L |
 | |
Transmission — 2 forward and reverse power shift
Type | power shift |
Gears | 2 forward and reverse |
Dimensions
Allis Chalmers HD6 Tracks | |
|---|---|
Width | 13 inches
33 cm |
Dimensions | |
|---|---|
Length | 127 inches
322 cm |
Width | 78.5 inches
199 cm |
Height | 66 inches
167 cm |
Shipping weight | 12400 lbs
5624 kg |
Operating weight | 13400 lbs
6078 kg |
Gauge | 44 inches
111 cm (HD6A) |
Gauge | 60 inches
152 cm (HD6B) |
Tests
Nebraska Tractor Test 580 | |
|---|---|
Diesel 5-speed crawler
July 7 - 14, 1956
Link: Nebraska Tractor Test 580 file | |
Belt power (max) | 60.51 hp
45.1 kW |
Belt fuel use (max) | 5.3 gal/hour
20.1 l/hour |
Drawbar performance | |
Max power | 49.95 hp
37.2 kW |
Gear 2 used for power test. | |
Max pull | 12636 lbs
5731 kg |
Gear 1 used for pull test. | |
Photos
1961 Allis-Chalmers model HD-6E.
Related models
Allis Chalmers A
- Power:
- 56.9
- Production years:
- 1936 - 1942
Allis Chalmers 5050
- Power:
- 55.6
- Production years:
- 1977 - 1983
Allis Chalmers K
- Power:
- 54.8
- Production years:
- 1929 - 1943
Allis Chalmers 170
- Power:
- 60
- Production years:
- 1967 - 1973
Allis Chalmers D17
- Power:
- 63
- Production years:
- 1957 - 1967