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David BrownModel A
David Brown 50D
Utility
- power
- 50 hp
- displacement
- 248 ci
- Cylinders
- 6
- Forward gears
- 6
Head to head · Utility
David Brown 50D vs David Brown 990 Implematic
Image not recorded
David BrownModel B
David Brown 990 Implematic
Utility
- power
- 52 hp
- displacement
- 186 ci
- Cylinders
- 4
- Forward gears
- 6
David BrownDavid Brown 50D
vs
David BrownDavid Brown 990 Implematic
How they compare
Headline specs vs. the whole Utility
Engine Power
▲ 990 Implematic higher · +2 hp (+4%)50D50 hp
990 Implematic52 hp
Median Utility Tractor55 hp
50D is in the 45th percentile; 990 Implematic is in the 47th · 5,383 models
Engine Displacement
▲ 50D higher · +62 ci (+33%)50D248 ci
990 Implematic186 ci
Median Utility Tractor183 ci
50D is in the 70th percentile; 990 Implematic is in the 50th · 5,580 models
Cylinders
▲ 50D higher · +2 (+50%)50D6
990 Implematic4
Median Utility Tractor4
50D is in the 93rd percentile; 990 Implematic is in the 50th · 5,720 models
Forward Gears
= Effectively tied50D6
990 Implematic6
Median Utility Tractor12
50D is in the 11th percentile; 990 Implematic is in the 11th · 4,941 models
50D (A)990 Implematic (B)Median Utility Tractor
Full comparison
Every spec, side by side
General Information
| Spec | David Brown 50D | David Brown 990 Implematic | Difference |
|---|---|---|---|
| Manufacturer | David Brown | David Brown | Same |
| Model | 50D | 990 Implematic | — |
| Category | Utility | Utility | Same |
Engine
| Spec | David Brown 50D | David Brown 990 Implematic | Difference |
|---|---|---|---|
| Manufacturer | David Brown | David Brown | Same |
| Power Output | 50hp | 52hp | ▲ 990 Implematic+2 hp · +4% |
| Rated RPM | 1,800RPM | 2,200RPM | ▲ 990 Implematic+400 RPM · +22% |
| Cylinders | 6 | 4 | ▲ 50D+2 · +50% |
| Displacement | 248ci | 186ci | ▲ 50D+62 ci · +33% |
| Bore | 3.6in | 3.6in | Same |
| Stroke | 4in | 4.5in | ▲ 990 Implematic+0.5 in · +13% |
Transmission
| Spec | David Brown 50D | David Brown 990 Implematic | Difference |
|---|---|---|---|
| Type | Gear | Gear / Partially Synchronized | — |
Dimensions & Weight
| Spec | David Brown 50D | David Brown 990 Implematic | Difference |
|---|---|---|---|
| Length | 135in | 118in | ▲ 50D+17 in · +14% |
| Width | 74in | 66.9in | ▲ 50D+7.1 in · +11% |
| Height | 65in | 55.9in | ▲ 50D+9.1 in · +16% |
| Operating Weight | 6,130lb | 4,272lb | ▲ 50D+1,858 lb · +43% |
Hydraulics
| Spec | David Brown 50D | David Brown 990 Implematic | Difference |
|---|---|---|---|
| System Type | Not recorded | Open Center | — |
| Steering Type | Manual | Manual | Same |
Power Take-off (PTO)
| Spec | David Brown 50D | David Brown 990 Implematic | Difference |
|---|---|---|---|
| Type | Rear | Transmission | — |
| Speed 1 | 540rpm | 540rpm | Same |
| Speed 2 | Not recorded | 1,000rpm | — |
Hitch & Towing
| Spec | David Brown 50D | David Brown 990 Implematic | Difference |
|---|---|---|---|
| Hitch Category | Not recorded | II/I | — |
| Hitch Position | Not recorded | Rear | — |
Chassis & Drive
| Spec | David Brown 50D | David Brown 990 Implematic | Difference |
|---|---|---|---|
| Chassis Type | 4x2 | 4x2 2WD | — |
| Drive Type | 2WD | 2WD | Same |
| Steering Type | Manual | Manual | Same |
| Brake Type | Mechanical drum | Differential Mechanical Expanding Shoe | — |
Electrical
| Spec | David Brown 50D | David Brown 990 Implematic | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
Capacities
| Spec | David Brown 50D | David Brown 990 Implematic | Difference |
|---|---|---|---|
| Coolant | 5gal | 3.6gal | ▲ 50D+1.4 gal · +39% |
Operator Station
| Spec | David Brown 50D | David Brown 990 Implematic | Difference |
|---|---|---|---|
| Type | Open operator station | Open Operator Station | Same |
Category context
Both models against the field
Engine Power
median 55 hpA · 45th percentile (50 hp)B · 47th percentile (52 hp)
Engine Displacement
median 183 ciA · 70th percentile (248 ci)B · 50th percentile (186 ci)
Cylinders
median 4A · 93rd percentile (6)B · 50th percentile (4)
Forward Gears
median 12A · 11th percentile (6)B · 11th percentile (6)
Operating Weight
median 5,303 lbA · 58th percentile (6,130 lb)B · 41st percentile (4,272 lb)
A · 50DB · 990 ImplematicMedian Utility Tractor