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David BrownModel A
David Brown 900
Row Crop
- power
- 37.5 hp
- displacement
- 165 ci
- Cylinders
- 4
- Forward gears
- 6
Head to head · Row Crop
David Brown 900 vs Massey Ferguson 550
Image not recorded
Massey FergusonModel B
Massey Ferguson 550
Row Crop
- power
- 47 hp
- displacement
- 153 ci
- Cylinders
- 3
- Forward gears
- 8
David BrownDavid Brown 900
vs
Massey FergusonMassey Ferguson 550
How they compare
Headline specs vs. the whole Row Crop
Engine Power
▲ 550 higher · +9.5 hp (+25%)90037.5 hp
55047 hp
Median Row Crop Tractor138 hp
900 is in the 3rd percentile; 550 is in the 5th · 1,206 models
Engine Displacement
▲ 900 higher · +12 ci (+8%)900165 ci
550153 ci
Median Row Crop Tractor391 ci
900 is in the 5th percentile; 550 is in the 4th · 1,409 models
Cylinders
▲ 900 higher · +1 (+33%)9004
5503
Median Row Crop Tractor6
900 is in the 17th percentile; 550 is in the 2nd · 1,417 models
Forward Gears
▲ 550 higher · +2 (+33%)9006
5508
Median Row Crop Tractor16
900 is in the 11th percentile; 550 is in the 16th · 1,200 models
900 (A)550 (B)Median Row Crop Tractor
Full comparison
Every spec, side by side
General Information
| Spec | David Brown 900 | Massey Ferguson 550 | Difference |
|---|---|---|---|
| Manufacturer | David Brown | Massey Ferguson | — |
| Model | 900 | 550 | — |
| Category | Row Crop | Row Crop | Same |
Engine
| Spec | David Brown 900 | Massey Ferguson 550 | Difference |
|---|---|---|---|
| Manufacturer | David Brown | Perkins | — |
| Model | AD4/30H | AD3.152S | — |
| Power Output | 37.5hp | 47hp | ▲ 550+9.5 hp · +25% |
| Rated RPM | 2,200RPM | 2,250RPM | ▲ 550+50 RPM · +2% |
| Cylinders | 4 | 3 | ▲ 900+1 · +33% |
| Displacement | 165ci | 153ci | ▲ 900+12 ci · +8% |
| Bore | 3.6in | 3.6in | Same |
| Stroke | 4in | 5in | ▲ 550+1 in · +25% |
Transmission
| Spec | David Brown 900 | Massey Ferguson 550 | Difference |
|---|---|---|---|
| Type | Gear type | Gear | — |
Dimensions & Weight
| Spec | David Brown 900 | Massey Ferguson 550 | Difference |
|---|---|---|---|
| Length | 113in | 140in | ▲ 550+27 in · +24% |
| Width | 65in | 65in | Same |
| Height | 77.8in | 90.9in | ▲ 550+13.1 in · +17% |
| Operating Weight | 4,000lb | 4,586lb | ▲ 550+586 lb · +15% |
Hydraulics
| Spec | David Brown 900 | Massey Ferguson 550 | Difference |
|---|---|---|---|
| Steering Type | Manual | Power | — |
Power Take-off (PTO)
| Spec | David Brown 900 | Massey Ferguson 550 | Difference |
|---|---|---|---|
| Type | Transmission or live (optional) | Live with mechanical dry disc clutch | — |
| Speed 1 | 540rpm | 540rpm | Same |
| Speed 2 | Not recorded | 1,000rpm | — |
Hitch & Towing
| Spec | David Brown 900 | Massey Ferguson 550 | Difference |
|---|---|---|---|
| Hitch Category | I | II | — |
| Hitch Position | Not recorded | Rear | — |
| Hitch Capacity | 1,800lb | 3,120lb | ▲ 550+1,320 lb · +73% |
Chassis & Drive
| Spec | David Brown 900 | Massey Ferguson 550 | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | 4x2 2WD | Same |
| Drive Type | 2WD | 2WD | Same |
| Steering Type | Manual | Power | — |
| Brake Type | Mechanical drum | Drum | — |
Electrical
| Spec | David Brown 900 | Massey Ferguson 550 | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
Capacities
| Spec | David Brown 900 | Massey Ferguson 550 | Difference |
|---|---|---|---|
| Coolant | 3.5gal | 4.8gal | ▲ 550+1.3 gal · +37% |
Operator Station
| Spec | David Brown 900 | Massey Ferguson 550 | Difference |
|---|---|---|---|
| Type | Open operator station | Cab standard with heater (ROPS available) | — |
Category context
Both models against the field
Engine Power
median 138 hpA · 3rd percentile (37.5 hp)B · 5th percentile (47 hp)
Engine Displacement
median 391 ciA · 5th percentile (165 ci)B · 4th percentile (153 ci)
Cylinders
median 6A · 17th percentile (4)B · 2nd percentile (3)
Forward Gears
median 16A · 11th percentile (6)B · 16th percentile (8)
Operating Weight
median 12,307 lbA · 5th percentile (4,000 lb)B · 7th percentile (4,586 lb)
A · 900B · 550Median Row Crop Tractor