Allis Chalmers H3

Name: Allis Chalmers H3
Brand: Allis Chalmers

Power

35 hp[P] hp

Production

1960-1967

Engine

Gasoline, 4-cylinder

Transmission

Power Director

25–40 HP 1960s

Introduction

Allis Chalmers H3: The Versatile Crawler That Gets the Job Done!

Get ready to be impressed by the Allis Chalmers H3, a true workhorse from the golden era of agricultural machinery! Built between 1960 and 1967, this crawler tractor is more than just a machine; it's a testament to robust engineering and unwavering reliability. Based on the legendary D15 farm tractor, the H3 brings its own unique strengths to the field, offering exceptional versatility for a wide range of agricultural and industrial tasks. Let's dive into what makes this crawler a standout performer!

Heart of Power: The Allis Chalmers Engine

Under the hood, the H3 boasts a liquid-cooled, 4-cylinder gasoline engine with a displacement of 149 cubic inches (2.4 liters). This powerhouse is fed by a reliable Marvel-Schebler carburetor and features an oil bath air cleaner, ensuring longevity and optimal performance even in dusty conditions. With a starter voltage of 12 and a compression ratio of 7.5:1, this engine is built to last, delivering consistent power when you need it most.

Transmission: Master of All Terrains

The H3's transmission is a marvel of engineering, offering incredible flexibility. Choose between a two-speed power shift transmission with 8 forward and 2 reverse gears, or an optional 4-speed mechanical shuttle. The Power Director system, featuring dry disc clutches for gears and wet disc clutches for the Power Director itself, ensures smooth and efficient power delivery, allowing you to tackle any task with precision.

Hydraulics & Control: Precision at Your Fingertips

Equipped with an open center hydraulic system, the H3 offers a pump flow of 15 GPM (56.8 lpm) and a substantial capacity of 16.5 gallons (62.5 L). With the ability to support one to three valves, this system is ready to power a wide array of implements. Coupled with mechanical contracting band brakes and mechanical clutches for steering, the H3 provides precise control and confident stopping power, even in challenging conditions.

Built to Conquer: Dimensions and Durability

Weighing in at a solid 7395 lbs (3354 kg) and featuring a 64-inch (162 cm) wheelbase, the H3 crawler offers impressive stability. Its 7-inch tracks provide excellent traction, allowing it to power through mud, uneven terrain, and heavy loads with ease. The open operator station ensures good visibility and accessibility, making long working days more comfortable.

Conclusion

"The Allis Chalmers H3 is more than just a vintage tractor; it's a proven performer that continues to impress with its robust construction, versatile transmission, and capable hydraulic system. Whether you're looking for a reliable machine for demanding agricultural work or a solid base for restoration, the H3 stands out as a smart investment. Its blend of power, control, and durability makes it a true classic that's still ready for action!"

Introduction

Production Information of Allis Chalmers, H3

The production information of the tractor (H3) includes details about its manufacturing.

The Allis-Chalmers H3 crawler was based on the gas-powered D15 farm tractor.

Agricultural Crawler tractor

Built in Springfield, Illinois, USA


Manufacturer	Allis Chalmers

Dimension and Tires Information of Allis Chalmers, H3

This section sums up the dimension and tires information of the tractor.

No data available

Engine Specifications of Allis Chalmers, H3

Get the specifications for the engine and if different options are available.

Allis Chalmers

Liquid-cooled

Gasoline

4-cylinder


Starter	Electric
Displacement	149 ci [2.4 L]
Air cleaner	Oil bath
Bore/Stroke	3.50x3.875 inches [89 x 98 mm]
Coolant capacity	9 qts [8.5 L]
Starter volts	12
Rated RPM	1650
Compression	7.5:1
Fuel system	Marvel-Schebler carburetor

Transmission Information of Allis Chalmers, H3Y

Discover all variants of transmission available for this tractor model.

Transmission variants 1

Four gears (1-4) plus reverse (R) with two-speed high/low power shift.


Transmission	Power Director
	Dry disc (gear)
Clutch	Wet disc (Power Director)
Type	Two-speed power shift
Gears	8 forward and 2 reverse

Transmission variants 2


Type	Mechanical shuttle
Gears	4 forward and reverse

8-speed two-speed power shift

4-speed mechanical shuttle

Mechanical Specs of Allis Chalmers, H3Y

This section summarizes all mechanical information such as the brake system and other specifications.

Open operator station.

Mechanical contracting band brakes


Drive	Crawler
Steering	Mechanical clutches

Power Information of Allis Chalmers, H3Y

Discover the power specifications and options available for this tractor model but also PTO (Power Take-off) information.


Rear PTO	Optional
Rear PTO Type	540

Hydraulics Specifications of Allis Chalmers, H3

Hydraulic system type, pressure, pump flow and valves.


Type	Open center
	25 gpm (optional) [94.6 lpm]
Pump flow	15 gpm [56.8 lpm]
Capacity	16.5 gal [62.5 L]
Valves	1 to 3

Frequently asked questions

How much horsepower does the Allis Chalmers H3 have?

The Allis Chalmers H3 delivers 35 hp[P] HP.

What years was the Allis Chalmers H3 produced?

The Allis Chalmers H3 was produced in 1960-1967.

What engine does the Allis Chalmers H3 have?

The Allis Chalmers H3 is powered by a Gasoline, 4-cylinder engine.

What transmission does the Allis Chalmers H3 use?

The Allis Chalmers H3 uses a Power Director transmission.

More Allis Chalmers models

M35 HP · 1932 - 1942 HD336 HP · 1960 - 1968 U34 HP · 1929 - 1952 UC34 HP · 1933 - 1941 18-3033 HP · 1918 - 1921 D1437 HP · 1957 - 1960 20-3538 HP · 1922 - 1930 503031 HP · 1979 - 1985

View all 94 Allis Chalmers models →

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