Image not recorded
Ascot UniversalModel A
Ascot Universal 550
Tractor
- power
- 55 hp
- displacement
- 190 ci
- Cylinders
- 4
- Forward gears
- 12
Head to head · Utility
Tractor

Utility
How they compare
550 is in the 50th percentile; 990 Selectamatic is in the 50th · 5,383 models
550 is in the 51st percentile; 990 Selectamatic is in the 52nd · 5,580 models
550 is in the 50th percentile; 990 Selectamatic is in the 50th · 5,720 models
550 is in the 50th percentile; 990 Selectamatic is in the 11th · 4,941 models
Full comparison
| Spec | Ascot Universal 550 | David Brown 990 Selectamatic | Difference |
|---|---|---|---|
| Manufacturer | Ascot Universal | David Brown | — |
| Model | 550 | 990 Selectamatic | — |
| Category | Not recorded | Utility | — |
| Spec | Ascot Universal 550 | David Brown 990 Selectamatic | Difference |
|---|---|---|---|
| Manufacturer | UTB | David Brown | — |
| Power Output | 55hp | 55hp | Same |
| Rated RPM | 2,400RPM | 2,200RPM | ▲ 550+200 RPM · +9% |
| Cylinders | 4 | 4 | Same |
| Displacement | 190ci | 195ci | ▲ 990 Selectamatic+5 ci · +3% |
| Bore | 3.7in | 3.9in | ▲ 990 Selectamatic+0.2 in · +5% |
| Stroke | 4.3in | 4in | ▲ 550+0.3 in · +7% |
| Spec | Ascot Universal 550 | David Brown 990 Selectamatic | Difference |
|---|---|---|---|
| Type | 12-speed constant mesh | Gear type with dry disc clutch | — |
| Spec | Ascot Universal 550 | David Brown 990 Selectamatic | Difference |
|---|---|---|---|
| Length | Not recorded | 126in | — |
| Width | Not recorded | 63.8in | — |
| Operating Weight | 4,600lb | 5,104lb | ▲ 990 Selectamatic+504 lb · +11% |
| Spec | Ascot Universal 550 | David Brown 990 Selectamatic | Difference |
|---|---|---|---|
| System Type | Open Center | Open center | Same |
| Steering Type | Power | Manual | — |
| Spec | Ascot Universal 550 | David Brown 990 Selectamatic | Difference |
|---|---|---|---|
| Type | Not recorded | Transmission | — |
| Speed 1 | Not recorded | 540rpm | — |
| Speed 2 | Not recorded | 1,000rpm | — |
| Spec | Ascot Universal 550 | David Brown 990 Selectamatic | Difference |
|---|---|---|---|
| Front Tread Width | 7.5in | Not recorded | — |
| Rear Tread | 18.4in | Not recorded | — |
| Spec | Ascot Universal 550 | David Brown 990 Selectamatic | Difference |
|---|---|---|---|
| Hitch Category | II/I | II/I | Same |
| Hitch Position | Not recorded | Rear | — |
| Hitch Capacity | Not recorded | 2,000lb | — |
| Spec | Ascot Universal 550 | David Brown 990 Selectamatic | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | 4x2 2WD | Same |
| Drive Type | 2WD | 2WD | Same |
| Steering Type | Power | Manual | — |
| Brake Type | Not recorded | Differential mechanical expanding shoe | — |
| Spec | Ascot Universal 550 | David Brown 990 Selectamatic | Difference |
|---|---|---|---|
| Battery Voltage | 12V | Not recorded | — |
| Starter Type | Electric | Electric | Same |
| Spec | Ascot Universal 550 | David Brown 990 Selectamatic | Difference |
|---|---|---|---|
| Coolant | Not recorded | 3.7gal | — |
| Spec | Ascot Universal 550 | David Brown 990 Selectamatic | Difference |
|---|---|---|---|
| Type | Not recorded | Open | — |
Category context