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Hart-Parr 30

The Hart-Parr 30 is a tractor produced by Hart Parr. It is equipped with a 464.6 ci 7.6 L engine. Transmission: 2 forward and 1 reverse. Operating weight: 5450 lbs 2472 kg.

Fuel & Capacities
Gasoline
Transmission
2 forward and 1 reverse
Operating Weight
5450 lbs 2472 kg

Overview

Hart-Parr 30 tractor photo
1919 - 1924 Standard-tread tractor
Production
Manufacturer
Hart-Parr
Standard-tread tractor
Built in Charles City, Iowa, USA
Original price was $1,395 in 1924
Hart-Parr 30 Engine
Hart-Parr 7.6L 2-cyl gasoline
Engine details ...
Hart-Parr 30 Transmission
2-speed gear
Transmission details ...
Hart-Parr 30 Power
Drawbar (claimed)
15 hp 11.2 kW
Belt (claimed)
30 hp 22.4 kW
Plows
3
Drawbar (tested)
19.65 hp 14.7 kW
Belt (tested)
31.37 hp 23.4 kW
Performance test details ...
Mechanical
Two-wheel drive
Final drives
bull gear
Manual steering
Open operator station.
Dimensions & Tires
Weight
5450 lbs 2472 kg
Front tire
28x5
Rear tire
52x10
Full dimensions and tires ...

Engine

Engine Detail — 464.6 ci / 7.6 L Gasoline

Manufacturer
Hart-Parr
Fuel Type
Gasoline
Configuration
2-cylinder, liquid-cooled
Displacement
464.6 ci 7.6 L
Bore/Stroke
6.50x7.00 inches 165 x 178 mm
Rated RPM
750

Transmission

Transmission — 2 forward and 1 reverse gear

Type
gear
Gears
2 forward and 1 reverse
30 gear speeds

Dimensions

Hart-Parr 30 Tires
Ag front
28x5 (steel)
Ag rear
52x10 (steel)
Dimensions
Length
141 inches 358 cm
Width
76 inches 193 cm
Height
61 inches 154 cm
Operating weight
5450 lbs 2472 kg

Tests

Nebraska Tractor Test 26
Kerosene 2-speed 2WD June 17 - 22, 1920 Link: Nebraska Tractor Test 26 file
Belt power (max)
31.37 hp 23.4 kW
Belt fuel use (max)
4.7 gal/hour 17.8 l/hour
Drawbar performance
Max power
19.65 hp 14.7 kW
Max pull
3494 lbs 1584 kg

Photos

Hart-Parr 30

Hart-Parr 30

Fluids, Capacities & Working Autonomy

Standard fluid requirements, service intervals, and continuous runtime estimates for Hart Parr Hart-Parr 30.

Engine Crankcase Oil

SAE 15W-40 (Heavy Duty Diesel)
Standard Spec: API CK-4 / CJ-4 Heavy Duty
Service Interval: 150 – 250 Hours

Transmission & Hydraulic System

UTTO (Universal Tractor Transmission Oil)
Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)
Service Interval: 600 – 1000 Hours

Engine Cooling System

50/50 Ethylene Glycol Pre-mix
Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze
Service Interval: 2 Years / 1500 Hours

Hart Parr Hart-Parr 30 Specification Unit Converter

Convert power, fluid capacities, and operating weights between metric and imperial standards for Hart Parr Hart-Parr 30.

Converted Equivalents:

Horsepower (HP)0 hp
Kilowatts (kW)0 kW
Metric Horsepower (PS / CV)0 PS

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