Allis Chalmers HD11

The Allis Chalmers HD11 is a tractor produced by Allis Chalmers. It is equipped with a 516 ci 8.5 L engine. The listed engine power is Diesel (net): 99 hp / 73.8 kW; Diesel (gross): 110 hp / 82.0 kW. Transmission: 6 forward and 3 reverse. Drive type: crawler. Operating weight: 21000 to 22200 pounds.

Overview

	1955 - 1966 Agricultural Crawler tractor

Production
Manufacturer	Allis Chalmers
Agricultural Crawler tractor
Built in Springfield, Illinois, USA

Variants
HD11S	6-roller agricultural
HD11ES	7-roller agricultural
HD11B	6-roller industrial

Allis Chalmers HD11 Engine
Allis-Chalmers 8.5L 6-cyl diesel
Fuel tank	60 gal 227.1 L
Engine details ...

Allis Chalmers HD11 Transmission
6-speed sliding gear
Transmission details ...

Allis Chalmers HD11 Power
Engine (gross)	110 hp 82.0 kW
Engine (net)	99 hp 73.8 kW
Drawbar (claimed)	77 hp 57.4 kW
Belt (claimed)	94 hp 70.1 kW
Drawbar (tested)	73.8 hp 55.0 kW
Belt (tested)	89.75 hp 66.9 kW
Performance test details ...

Mechanical
Drive	crawler
Contracting band brakes
Open operator station.

Dimensions & Tracks
Weight	21000 to 22200 pounds
16-inch tracks
Full dimensions and tracks ...

Electrical
Ground	positive
Batteries	2
Battery volts	12

References
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
HD-11 Crawler Tractor published in 1957, by Allis Chalmers

Engine

Engine Detail — 516 ci / 8.5 L Diesel

Manufacturer	Allis-Chalmers HD-516
Fuel Type	Diesel
Configuration	6-cylinder, liquid-cooled vertical I-head
Displacement	516 ci 8.5 L
Bore/Stroke	4.4375x5.5625 inches 113 x 141 mm
Power (net)	99 hp 73.8 kW
Power (gross)	110 hp 82.0 kW
Air cleaner	oil bath
Compression	15.0:1
Rated RPM	1800
Starter volts	24
Oil capacity	17 qts 16.1 L
Coolant capacity	44 qts 41.6 L

Allis Chalmers HD11 Engine

Transmission

Transmission — 6 forward and 3 reverse sliding gear

Type	sliding gear
Gears	6 forward and 3 reverse

Dimensions

Allis Chalmers HD11 Tracks
Width	16 inches 40 cm
Length on ground	85.75 inches 217 cm
Area on ground	2744 in² 1.8 m²
HD11E width	16 inches 40 cm
HD11E length on ground	96.25 inches 244 cm
HD11E area on ground	3080 in² 2.0 m²

Dimensions
Length	154 inches 391 cm
Height (hood)	84 inches 213 cm
Gauge	74 inches 187 cm

Allis Chalmers HD11 Weight
	22200 lbs 10069 kg
HD11S Shipping	21000 lbs 9525 kg
HD11ES Shipping	21900 lbs 9933 kg

Tests

Nebraska Tractor Test 581
Diesel 6-speed crawler July 9 - 13, 1956 Link: Nebraska Tractor Test 581 file
Belt power (max)	89.75 hp 66.9 kW
Belt fuel use (max)	6.9 gal/hour 26.1 l/hour
Drawbar performance
Max power	73.8 hp 55.0 kW
Max pull	20468 lbs 9284 kg
Gear 1 used for pull test.

Photos

Allis Chalmers HD11

Allis Chalmers HD11

Allis Chalmers HD11