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. The rated power output is 30.29 hp 22.6 kW. Transmission: 3 forward and 1 reverse. Operating weight: 3800 to 4165 pounds.
Engine Power
30.29 hp
22.6 kW
Fuel & Capacities
14 gal
53.0 L
Transmission
3 forward and 1 reverse
Operating Weight
4165 lbs
1889 kg
Hart Parr Hart-Parr 18-28 Serial Number & Year Decoder
Find the exact manufacture year of your tractor by checking your chassis serial number below.
Where to Find the Serial NumberThe serial number plate is commonly located on the front frame, tractor transmission housing (right side), or instrument panel badge.
Overview
 | 1930 - 1936
Standard-tread tractor |
|---|---|
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. | |
Related models
Hart-Parr Crop Maker 17-27
- Power:
- 30
- Production years:
- 1916 - 1917
Hart-Parr Row Crop 18-27
- Power:
- 30
- Production years:
- 1930 - 1935
Hart-Parr 16-30
- Power:
- 33.3
- Production years:
- 1924 - 1926
Hart-Parr 17-30
- Power:
- 33.3
- Production years:
- 1901 - 1906
Hart-Parr 30
- Power:
- 33.3
- Production years:
- 1919 - 1924