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David BrownModel A
David Brown 990 Implematic
Utility
- power
- 52 hp
- displacement
- 186 ci
- Cylinders
- 4
- Forward gears
- 6
Head to head · Utility
Utility

Utility
How they compare
990 Implematic is in the 47th percentile; GA50 is in the 45th · 5,383 models
990 Implematic is in the 50th percentile; GA50 is in the 49th · 5,580 models
990 Implematic is in the 50th percentile; GA50 is in the 50th · 5,720 models
990 Implematic is in the 11th percentile; GA50 is in the 97th · 4,941 models
Full comparison
| Spec | David Brown 990 Implematic | Mitsubishi GA50 | Difference |
|---|---|---|---|
| Manufacturer | David Brown | Mitsubishi | — |
| Model | 990 Implematic | GA50 | — |
| Category | Utility | Utility | Same |
| Spec | David Brown 990 Implematic | Mitsubishi GA50 | Difference |
|---|---|---|---|
| Manufacturer | David Brown | Iseki | — |
| Model | Not recorded | E4DE | — |
| Power Output | 52hp | 50hp | ▲ 990 Implematic+2 hp · +4% |
| Rated RPM | 2,200RPM | 2,500RPM | ▲ GA50+300 RPM · +14% |
| Cylinders | 4 | 4 | Same |
| Displacement | 186ci | 180ci | ▲ 990 Implematic+6 ci · +3% |
| Bore | 3.6in | 3.8in | ▲ GA50+0.2 in · +6% |
| Stroke | 4.5in | 3.9in | ▲ 990 Implematic+0.6 in · +15% |
| Spec | David Brown 990 Implematic | Mitsubishi GA50 | Difference |
|---|---|---|---|
| Type | Gear / Partially Synchronized | Not recorded | — |
| Spec | David Brown 990 Implematic | Mitsubishi GA50 | Difference |
|---|---|---|---|
| Length | 118in | 144in | ▲ GA50+26 in · +22% |
| Width | 66.9in | 66.9in | Same |
| Height | 55.9in | 99in | ▲ GA50+43.1 in · +77% |
| Operating Weight | 4,272lb | 4,112lb | ▲ 990 Implematic+160 lb · +4% |
| Spec | David Brown 990 Implematic | Mitsubishi GA50 | Difference |
|---|---|---|---|
| System Type | Open Center | Not recorded | — |
| Steering Type | Manual | Power Steering | — |
| Spec | David Brown 990 Implematic | Mitsubishi GA50 | Difference |
|---|---|---|---|
| Type | Transmission | Not recorded | — |
| Speed 1 | 540rpm | Not recorded | — |
| Speed 2 | 1,000rpm | Not recorded | — |
| Spec | David Brown 990 Implematic | Mitsubishi GA50 | Difference |
|---|---|---|---|
| Hitch Category | II/I | I | — |
| Hitch Position | Rear | Not recorded | — |
| Spec | David Brown 990 Implematic | Mitsubishi GA50 | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | 4x4 MFWD 4WD | — |
| Drive Type | 2WD | 4WD | — |
| Steering Type | Manual | Power Steering | — |
| Brake Type | Differential Mechanical Expanding Shoe | Not recorded | — |
| Spec | David Brown 990 Implematic | Mitsubishi GA50 | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
| Spec | David Brown 990 Implematic | Mitsubishi GA50 | Difference |
|---|---|---|---|
| Coolant | 3.6gal | Not recorded | — |
| Spec | David Brown 990 Implematic | Mitsubishi GA50 | Difference |
|---|---|---|---|
| Type | Open Operator Station | ROPS | — |
Category context