Image not recorded
AveryModel A
Avery 15-25
Standard Tread
- power
- Not recorded
- displacement
- 277 ci
- Cylinders
- 4
- Forward gears
- 3
Head to head · Standard Tread
Avery 15-25 vs Hart-Parr 18-28
Image not recorded
Hart-ParrModel B
Hart-Parr 18-28
Standard Tread
- power
- Not recorded
- displacement
- 281 ci
- Cylinders
- 4
- Forward gears
- 3
AveryAvery 15-25
vs
Hart-ParrHart-Parr 18-28
How they compare
Headline specs vs. the whole Standard Tread
Engine Displacement
▲ 18-28 higher · +4 ci (+1%)15-25277 ci
18-28281 ci
Median Standard Tread Tractor382 ci
15-25 is in the 26th percentile; 18-28 is in the 27th · 353 models
Cylinders
= Effectively tied15-254
18-284
Median Standard Tread Tractor4
15-25 is in the 50th percentile; 18-28 is in the 50th · 367 models
Forward Gears
= Effectively tied15-253
18-283
Median Standard Tread Tractor4
15-25 is in the 39th percentile; 18-28 is in the 39th · 341 models
Operating Weight
▲ 15-25 higher · +835 lb (+20%)15-255,000 lb
18-284,165 lb
Median Standard Tread Tractor6,834 lb
15-25 is in the 24th percentile; 18-28 is in the 16th · 297 models
15-25 (A)18-28 (B)Median Standard Tread Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Avery 15-25 | Hart-Parr 18-28 | Difference |
|---|---|---|---|
| Manufacturer | Avery | Hart-Parr | — |
| Model | 15-25 | 18-28 | — |
| Category | Standard Tread | Standard Tread | Same |
Engine
| Spec | Avery 15-25 | Hart-Parr 18-28 | Difference |
|---|---|---|---|
| Manufacturer | Avery | Oliver | — |
| Rated RPM | 1,125RPM | Not recorded | — |
| Cylinders | 4 | 4 | Same |
| Displacement | 277ci | 281ci | ▲ 18-28+4 ci · +1% |
| Bore | 4in | 4.1in | ▲ 18-28+0.1 in · +2% |
| Stroke | 5in | 5.3in | ▲ 18-28+0.3 in · +6% |
Transmission
| Spec | Avery 15-25 | Hart-Parr 18-28 | Difference |
|---|---|---|---|
| Type | gear | Gear | Same |
Dimensions & Weight
| Spec | Avery 15-25 | Hart-Parr 18-28 | Difference |
|---|---|---|---|
| Length | 108in | 112in | ▲ 18-28+4 in · +4% |
| Width | 48in | 61in | ▲ 18-28+13 in · +27% |
| Height | 58in | 53.5in | ▲ 15-25+4.5 in · +8% |
| Operating Weight | 5,000lb | 4,165lb | ▲ 15-25+835 lb · +20% |
Capacities
| Spec | Avery 15-25 | Hart-Parr 18-28 | Difference |
|---|---|---|---|
| Coolant | Not recorded | 8gal | — |
Category context
Both models against the field
Engine Displacement
median 382 ciA · 26th percentile (277 ci)B · 27th percentile (281 ci)
Cylinders
median 4A · 50th percentile (4)B · 50th percentile (4)
Forward Gears
median 4A · 39th percentile (3)B · 39th percentile (3)
Operating Weight
median 6,834 lbA · 24th percentile (5,000 lb)B · 16th percentile (4,165 lb)
Length
median 137 inA · 7th percentile (108 in)B · 10th percentile (112 in)
A · 15-25B · 18-28Median Standard Tread Tractor