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Hart-ParrModel A
Hart-Parr 18-28
Standard Tread
- power
- Not recorded
- displacement
- 281 ci
- Cylinders
- 4
- Forward gears
- 3
Head to head · Standard Tread
Hart-Parr 18-28 vs Hart-Parr 30
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Hart-ParrModel B
Hart-Parr 30
Utility
- power
- 30 hp
- displacement
- 465 ci
- Cylinders
- 2
- Forward gears
- 2
Hart-ParrHart-Parr 18-28
vs
Hart-ParrHart-Parr 30
How they compare
Headline specs vs. the whole Standard Tread
Engine Displacement
▲ 30 higher · +184 ci (+65%)18-28281 ci
30465 ci
Median Standard Tread Tractor382 ci
18-28 is in the 27th percentile; 30 is in the 64th · 353 models
Cylinders
▲ 18-28 higher · +2 (+100%)18-284
302
Median Standard Tread Tractor4
18-28 is in the 50th percentile; 30 is in the 23rd · 367 models
Forward Gears
▲ 18-28 higher · +1 (+50%)18-283
302
Median Standard Tread Tractor4
18-28 is in the 39th percentile; 30 is in the 19th · 341 models
Operating Weight
▲ 30 higher · +1,285 lb (+31%)18-284,165 lb
305,450 lb
Median Standard Tread Tractor6,834 lb
18-28 is in the 16th percentile; 30 is in the 30th · 297 models
18-28 (A)30 (B)Median Standard Tread Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Hart-Parr 18-28 | Hart-Parr 30 | Difference |
|---|---|---|---|
| Manufacturer | Hart-Parr | Hart-Parr | Same |
| Model | 18-28 | 30 | — |
| Category | Standard Tread | Utility, Standard Tread | — |
Engine
| Spec | Hart-Parr 18-28 | Hart-Parr 30 | Difference |
|---|---|---|---|
| Manufacturer | Oliver | Hart-Parr | — |
| Power Output | Not recorded | 30hp | — |
| Rated RPM | Not recorded | 750RPM | — |
| Cylinders | 4 | 2 | ▲ 18-28+2 · +100% |
| Displacement | 281ci | 465ci | ▲ 30+184 ci · +65% |
| Bore | 4.1in | 6.5in | ▲ 30+2.4 in · +59% |
| Stroke | 5.3in | 7in | ▲ 30+1.7 in · +32% |
Transmission
| Spec | Hart-Parr 18-28 | Hart-Parr 30 | Difference |
|---|---|---|---|
| Type | Gear | Gear | Same |
Dimensions & Weight
| Spec | Hart-Parr 18-28 | Hart-Parr 30 | Difference |
|---|---|---|---|
| Length | 112in | 141in | ▲ 30+29 in · +26% |
| Width | 61in | 76in | ▲ 30+15 in · +25% |
| Height | 53.5in | 61in | ▲ 30+7.5 in · +14% |
| Operating Weight | 4,165lb | 5,450lb | ▲ 30+1,285 lb · +31% |
Hydraulics
| Spec | Hart-Parr 18-28 | Hart-Parr 30 | Difference |
|---|---|---|---|
| Steering Type | Not recorded | Manual | — |
Chassis & Drive
| Spec | Hart-Parr 18-28 | Hart-Parr 30 | Difference |
|---|---|---|---|
| Chassis Type | Not recorded | 4x2 2WD | — |
| Drive Type | Not recorded | 2WD | — |
| Steering Type | Not recorded | Manual | — |
Capacities
| Spec | Hart-Parr 18-28 | Hart-Parr 30 | Difference |
|---|---|---|---|
| Coolant | 8gal | Not recorded | — |
Category context
Both models against the field
Engine Displacement
median 382 ciA · 27th percentile (281 ci)B · 64th percentile (465 ci)
Cylinders
median 4A · 50th percentile (4)B · 23rd percentile (2)
Forward Gears
median 4A · 39th percentile (3)B · 19th percentile (2)
Operating Weight
median 6,834 lbA · 16th percentile (4,165 lb)B · 30th percentile (5,450 lb)
Length
median 137 inA · 10th percentile (112 in)B · 58th percentile (141 in)
A · 18-28B · 30Median Standard Tread Tractor