Hart-Parr Old Reliable 30-60 tractor

Hart-Parr Old Reliable 30-60

Power

66 hp[B] hp

Production

1907-1918

Engine

2-cylinder

Transmission

Gear

Weight

20,100 lbs [9117 kg]

Drive

2WD

Introduction

Hart-Parr Old Reliable 30-60 Standard-tread Tractor

The Hart-Parr Old Reliable 30-60 is a historic standard-tread tractor manufactured in Charles City, Iowa, USA, between 1907 and 1918. As one of the early industrial agricultural machines, it earned a reputation for durability, with 3,798 units produced during its production cycle.

Engine and Performance

The tractor is powered by a liquid-cooled, 2-cylinder kerosene engine with a massive displacement of 2356.2 cubic inches (38.6 liters). It operates at a rated speed of 300 RPM. The engine features a bore and stroke of 10.00 by 15.00 inches. Cooling is managed by a high-capacity system, requiring 96 quarts in original configurations and up to 200 quarts in later models. The machine provides 30 hp (22.4 kW) at the drawbar and 60 hp (44.7 kW) at the belt, suitable for the heavy stationary and traction tasks of the early 20th century.

Mechanical and Transmission

The Old Reliable 30-60 utilizes a two-wheel drive system paired with manual steering. The drivetrain consists of a gear-based transmission offering a single forward gear and one reverse gear, reflecting the mechanical simplicity required for early agricultural operations.

Dimensions and Operator Environment

This tractor is a substantial machine, weighing 20,100 lbs (9,117 kg). It measures 200 inches in length, 106 inches in width, and stands 148 inches high. The operator environment features an open station protected by a steel canopy, providing basic shelter during field operations.

Conclusion

The Hart-Parr Old Reliable 30-60 remains a significant example of early agricultural engineering. Its robust construction and high-displacement kerosene engine were designed to provide reliable, sustained power for heavy-duty traction and belt-driven machinery, cementing its legacy as a foundational model in tractor history.

Production Information of Hart-Parr, Old Reliable 30-60

  • Standard-tread tractor
  • Built in Charles City, Iowa, USA
ManufacturerHart-Parr
Total built3,798

Dimension and Tires Information of Hart-Parr, Old Reliable 30-60

Length200 inches [508 cm]
Weight20,100 lbs [9117 kg]
Width106 inches [269 cm]
Height148 inches [375 cm]

Engine Specifications of Hart-Parr, Old Reliable 30-60

  • Hart-Parr
  • Liquid-cooled
  • Kerosene
  • 2-cylinder
Rated RPM300
Displacement2356.2 ci [38.6 L]
Coolant capacity96 qts (original) [90.9 L]
Bore/Stroke10.00x15.00 inches [254 x 381 mm]
Bore/Stroke(optional)200 qts (late) [189.3 L]

Transmission Information of Hart-Parr, Old Reliable 30-60

Transmission variants 1

TransmissionGear
Gears1 forward and reverse

Mechanical Specs of Hart-Parr, Old Reliable 30-60

  • Two-wheel drive
  • Open operator station with steel canopy.
SteeringManual

Power Information of Hart-Parr, Old Reliable 30-60

Drawbar (claimed)30 hp [22.4 kW]
Belt (claimed)60 hp [44.7 kW]

Where it sits

With 66 hp[B] HP, the Hart-Parr Old Reliable 30-60 sits between 28-50 (55 HP) and 40-80 (110 HP) in Hart-Parr's range.

Frequently asked questions

How much horsepower does the Hart-Parr Old Reliable 30-60 have?

The Hart-Parr Old Reliable 30-60 delivers 66 hp[B] HP.

What years was the Hart-Parr Old Reliable 30-60 produced?

The Hart-Parr Old Reliable 30-60 was produced in 1907-1918.

What engine does the Hart-Parr Old Reliable 30-60 have?

The Hart-Parr Old Reliable 30-60 is powered by a 2-cylinder engine.

What transmission does the Hart-Parr Old Reliable 30-60 use?

The Hart-Parr Old Reliable 30-60 uses a Gear transmission.

How much does the Hart-Parr Old Reliable 30-60 weigh?

The Hart-Parr Old Reliable 30-60 weighs 20,100 lbs [9117 kg].

Is the Hart-Parr Old Reliable 30-60 4WD?

The Hart-Parr Old Reliable 30-60 is available in 2WD.

Compare the Hart-Parr Old Reliable 30-60 with another model