Hart-Parr 18-28
The Hart-Parr 18-28 is a tractor produced by Hart Parr. It is equipped with a 280.6 ci 4.6 L engine. Transmission: 3 forward and 1 reverse. Operating weight: 3800 to 4165 pounds.
Fuel & Capacities
14 gal
53.0 L
Transmission
3 forward and 1 reverse
Operating Weight
4165 lbs
1889 kg
Overview
 | 1930 - 1936
Standard-tread tractor |
|---|
Production | |
|---|---|
Manufacturer | Hart-Parr (a part of Oliver) |
Standard-tread tractor | |
Built in Charles City, Iowa, USA | |
Variants | |
|---|---|
18-27 | row-crop |
18-28 | standard |
Hart-Parr 18-28 Engine | |
|---|---|
Oliver 4.6L 4-cyl kerosene | |
Fuel tank | 14 gal
53.0 L |
Aux. fuel | 1 gal
3.8 L |
Engine details ...  | |
Hart-Parr 18-28 Transmission | |
|---|---|
3-speed gear | |
Transmission details ...  |
Hart-Parr 18-28 Power | |
|---|---|
Drawbar (claimed) | 18 hp
13.4 kW |
Belt (claimed) | 28 hp
20.9 kW |
Drawbar (tested) | 23.56 hp
17.6 kW |
Belt (tested) | 30.29 hp
22.6 kW |
Performance test details ...  | |
Mechanical | |
|---|---|
Two-wheel drive | |
Manual steering | |
Open operator station. |
Dimensions & Tires | |
|---|---|
Wheelbase | 72.5 inches
184 cm |
Weight | 3800 to 4165 pounds |
Front tire | 28x5 |
Rear tire | 44x10 |
Full dimensions and tires ...  | |
Belt Pulley | |
|---|---|
Diameter | 14.25 inches
36 cm |
Width | 7.25 inches
18 cm |
RPM | 726 |
Speed | 2709 ft/min
825.70 meters/min |
References | |
|---|---|
 | |
Oliver Hart-Parr Tractors published in 1930 |
Engine
Engine Detail — 280.6 ci / 4.6 L Kerosene
Manufacturer | Oliver |
Fuel Type | Kerosene |
Configuration | 4-cylinder, liquid-cooled |
Displacement | 280.6 ci
4.6 L |
Bore/Stroke | 4.125x5.25 inches
105 x 133 mm |
Coolant capacity | 32 qts
30.3 L |
Transmission
Transmission — 3 forward and 1 reverse gear
Type | gear |
Gears | 3 forward and 1 reverse |
 | |
Dimensions
Hart-Parr 18-28 Tires | |
|---|---|
Ag front | 28x5 |
Ag rear | 44x10 |
Dimensions | |
|---|---|
Wheelbase | 72.5 inches
184 cm |
Length | 112 inches
284 cm |
Width | 61 inches
154 cm |
Height (hood) | 53.5 inches
135 cm |
Shipping weight | 3800 lbs
1723 kg |
Operating weight | 4165 lbs
1889 kg |
Tests
Nebraska Tractor Test 180 | |
|---|---|
Kerosene 3-speed 2WD
July 7 - 15, 1930
Link: Nebraska Tractor Test 180 file | |
Belt power (max) | 30.29 hp
22.6 kW |
Belt fuel use (max) | 3.0 gal/hour
11.4 l/hour |
Drawbar performance | |
Max power | 23.56 hp
17.6 kW |
Gear 1 used for power test. | |
Max pull | 3241 lbs
1470 kg |
Gear 1 used for pull test. | |
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for Hart Parr Hart-Parr 18-28.
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 18-28 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Hart Parr Hart-Parr 18-28.
Converted Equivalents:
Horsepower (HP)0 hp
Kilowatts (kW)0 kW
Metric Horsepower (PS / CV)0 PS
Related models
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- Power:
- 48.9
- Production years:
- 1930 - 1937
Hart-Parr Row Crop 18-27
- Power:
- 30
- Production years:
- 1930 - 1935
Hart-Parr 28-50
- Power:
- 55.6
- Production years:
- 1927 - 1930
Hart-Parr 18-36
- Power:
- 40
- Production years:
- 1926 - 1930
Hart-Parr 12-24
- Power:
- 26.7
- Production years:
- 1924 - 1930