Hart-Parr Oil King 23-35 Tractor

Manufacturer Hart-Parr
Price -
Model Oil King 23-35
Equipment Type -
Factory Charles City, Iowa

HART-PARR OIL KING 23-35 POWER

Drawbar (claimed) 23hp / 17.2kW
Belt (claimed) 35hp / 26.1kW

ENGINE DETAIL

The Hart-Parr Oil King 23-35 boasts a robust 1-cylinder kerosene engine with a significant displacement of 785.4 cubic inches, optimizing torque for heavy-duty tasks. Its square bore and stroke design (10x10 inches) promote uniform combustion, although this may limit higher RPM operations, as indicated by its rated 500 RPM. The substantial coolant capacity of 120 quarts ensures effective thermal management during extended use, making it suitable for long hours in the field but may also increase maintenance demands due to the larger system.

Description Hart-Parr kerosene 1-cylinder liquid-cooled
Displacement 785.4ci / 12.9L
Bore/Stroke 10.00x10.00inches / 254x 254mm
Rated RPM 500
Coolant capacity 120qts / 113.6L

HART-PARR OIL KING 23-35 ENGINE

The Hart-Parr Oil King 23-35 tractor features a robust 12.9L single-cylinder engine designed for kerosene fuel, which offers efficient combustion and a longer operational range. With a 30-gallon (113.6L) fuel tank, it provides significant endurance for extended farming tasks, making it advantageous for large-scale agricultural operations. However, the reliance on kerosene may present challenges in fuel availability and cost compared to diesel alternatives, necessitating careful planning in use scenarios.

Description Hart-Parr 12.9L 1-cyl kerosene
Fuel tank 30gal / 113.6L

TRANSMISSION

The Hart-Parr Oil King 23-35 features a simple transmission system with a dual forward and single reverse gear setup, which may limit operational flexibility in varied terrain. Its straightforward gearing can be advantageous for ease of use, particularly for operators needing basic functions without complex shifting. However, this limited gear selection may present challenges in maximizing engine performance in steep or heavily varied landscapes, potentially reducing efficiency and speed in more demanding applications.

Transmission gear
Gears 2 forward and 1 reverse

MECHANICAL

The Hart-Parr Oil King 23-35 features a 4x2 2WD chassis, providing stable traction but potentially limited performance on uneven terrains. Its open-sided steel canopy offers basic protection for the operator, enhancing visibility but reducing weather resistance. The 2-speed transmission allows for versatility in speed selection, making it suitable for various agricultural tasks, though it may lack the advanced gear shifting of modern tractors.

Chassis 4x2 2WD
Cab Open sided steel canopy
Transmission 2-speed

DIMENSIONS

Length 107.75inches / 273cm
Width 72inches / 182cm
Height 125inches / 317cm
Weight 12,000lbs / 5443kg

DIMENSIONS & TIRES

The Hart-Parr Oil King 23-35 weighs 12,000 lbs (5443 kg), providing stability for heavy-duty field operations. Its substantial weight aids in traction, making it ideal for plowing and tilling in tough soil conditions. However, this weight may pose challenges in mobility on uneven terrain or during transport, requiring careful route planning and consideration of load-bearing surfaces.

Weight 12,000lbs / 5443kg


Last Updated 2025-01-01
Stephen is a passionate tractor hobbyist with a deep-seated love for all things mechanized and agricultural. Growing up in a rural setting, he developed a fascination with these mighty machines that have played a crucial role in shaping the farming industry.

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