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Twin CityModel A
Twin City 15-30
Standard Tread
- power
- Not recorded
- displacement
- 496 ci
- Cylinders
- 4
- Forward gears
- 2
Head to head · Standard Tread
Standard Tread

Standard Tread
How they compare
15-30 is in the 67th percentile; 21-32 is in the 50th · 353 models
15-30 is in the 50th percentile; 21-32 is in the 50th · 367 models
15-30 is in the 19th percentile; 21-32 is in the 39th · 341 models
15-30 is in the 60th percentile; 21-32 is in the 33rd · 297 models
Full comparison
| Spec | Twin City 15-30 | Twin City 21-32 | Difference |
|---|---|---|---|
| Manufacturer | Twin City | Twin City | Same |
| Model | 15-30 | 21-32 | — |
| Category | Standard Tread | Standard Tread | Same |
| Spec | Twin City 15-30 | Twin City 21-32 | Difference |
|---|---|---|---|
| Manufacturer | Not recorded | Twin City | — |
| Rated RPM | 650RPM | 1,075RPM | ▲ 21-32+425 RPM · +65% |
| Cylinders | 4 | 4 | Same |
| Displacement | 496ci | 382ci | ▲ 15-30+114 ci · +30% |
| Bore | 4.8in | 4.5in | ▲ 15-30+0.3 in · +7% |
| Stroke | 7in | 6in | ▲ 15-30+1 in · +17% |
| Spec | Twin City 15-30 | Twin City 21-32 | Difference |
|---|---|---|---|
| Type | Gear | Gear | Same |
| Spec | Twin City 15-30 | Twin City 21-32 | Difference |
|---|---|---|---|
| Length | 180in | 137in | ▲ 15-30+43 in · +31% |
| Width | 60in | Not recorded | — |
| Height | 120in | 66in | ▲ 15-30+54 in · +82% |
| Operating Weight | 7,650lb | 5,880lb | ▲ 15-30+1,770 lb · +30% |
| Spec | Twin City 15-30 | Twin City 21-32 | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | Not recorded | — |
| Drive Type | 2WD | Not recorded | — |
| Spec | Twin City 15-30 | Twin City 21-32 | Difference |
|---|---|---|---|
| Coolant | 50gal | 9gal | ▲ 15-30+41 gal · +456% |
Category context