CrawlerPerformance profile

Allis Chalmers HD11

The Allis Chalmers HD11 is a powerful crawler tractor built for tough agricultural work. Made from 1955 to 1965, this tractor has tracks instead of wheels, making it great for working in muddy or uneven fields. It's a big machine, measuring 154 inches long, 40 inches wide, and 84 inches tall, with a heavy weight of 21,000 pounds. The HD11 is powered by a strong diesel engine made by Allis Chalmers. This engine has 6 cylinders and can produce 110 horsepower, which is above average for tractors of its time. It has a liquid-cooled system that holds 44 quarts of coolant to keep the engine running smoothly. The tractor has an open operator station, meaning the driver sits outside without a cab. It uses an electric starter to get the engine going and has special band brakes to help it stop. With 6 forward gears and 3 reverse gears, the HD11 can handle different speeds for various farming tasks.

ManufacturerAllis ChalmersPower110 hpEngine6-cylTransSliding Gear
Allis Chalmers HD11

Quick specs

Category
Crawler
Engine Power Output
110hp
Operating Weight
21,000 lb
Transmission
Sliding Gear
Compare this model

At a glance

How the HD11 compares

vs. Crawler median

Distribution

Engine Power (hp)

Across all Crawler tractors

110 hp · 46th

This model

18
Median 200 hp
508
This modelCrawler tractorsMediann = 142

The HD11 ranks at the 46th percentile for engine power among recorded crawler tractors.

Overview

About the Allis Chalmers HD11

The Allis Chalmers HD11 is a powerful crawler tractor built for tough agricultural work. Made from 1955 to 1965, this tractor has tracks instead of wheels, making it great for working in muddy or uneven fields. It's a big machine, measuring 154 inches long, 40 inches wide, and 84 inches tall, with a heavy weight of 21,000 pounds. The HD11 is powered by a strong diesel engine made by Allis Chalmers. This engine has 6 cylinders and can produce 110 horsepower, which is above average for tractors of its time. It has a liquid-cooled system that holds 44 quarts of coolant to keep the engine running smoothly. The tractor has an open operator station, meaning the driver sits outside without a cab. It uses an electric starter to get the engine going and has special band brakes to help it stop. With 6 forward gears and 3 reverse gears, the HD11 can handle different speeds for various farming tasks.

Full specifications

Every recorded spec

General

ManufacturerAllis Chalmers
ModelHD11
CategoryCrawler tractor
TypeCrawler
Years built1955–1965
Operating weight21,000lb

Engine

MakeAllis Chalmers
ModelHD-516
Power110hp
Cylinders6
Displacement516ci
Bore4.45in
Stroke5.55in

Transmission

TypeSliding Gear
Forward gears6
Reverse gears3

Chassis & drive

ChassisCrawler
BrakesContracting band
CabOpen operator station

Dimensions

Length154in
Width40in
Height84in
Operating weight21,000lb

Capacities

Cooling system11gal

Head to head

HD11 vs. Crawler median

How the Allis Chalmers HD11 compares to other Crawler tractors

SpecThis modelCrawler medianDifferencePercentile
Engine Power110 hp200 hp-45%46th
Engine Displacement516 ci468 ci+10%58th
Cylinders66at median50th
Forward Gears610-40%34th
Operating Weight21,000 lb23,320 lb-10%48th
Length154 in146 in+5%54th
Width40 in79.5 in-50%6th
Height84 in90.6 in-7%43rd

Medians and percentiles are computed from the crawler tractors in our database with a recorded value for each spec (sample sizes 134192 models).

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FAQ

Common questions

When was the Allis Chalmers HD11 in production?

Allis Chalmers HD11 production started in 1955 and ended in 1965.

How much horsepower does the Allis Chalmers HD11 have?

The Allis Chalmers HD11 produces 110 hp from its 6-cylinder engine. Engine displacement is 516 ci.

How much does the Allis Chalmers HD11 weigh?

The Allis Chalmers HD11 weighs about 21,000 lb in operating condition.

What transmission is in the Allis Chalmers HD11?

Transmission on the Allis Chalmers HD11 is Sliding Gear, with 6 forward speeds.

What maintenance does the Allis Chalmers HD11 require?

Like any tractor, the Allis Chalmers HD11 needs periodic engine oil and filter changes, hydraulic fluid checks, and regular greasing and inspection. The owner's manual lists the manufacturer's recommended service intervals.