Image not recorded
David BrownModel A
David Brown 30
Sub-Compact
- power
- 34 hp
- displacement
- 165 ci
- Cylinders
- 4
- Forward gears
- 6
Head to head · Sub-Compact
David Brown 30 vs David Brown 900
Image not recorded
David BrownModel B
David Brown 900
Row Crop
- power
- 37.5 hp
- displacement
- 165 ci
- Cylinders
- 4
- Forward gears
- 6
David BrownDavid Brown 30
vs
David BrownDavid Brown 900
How they compare
Headline specs vs. the whole Sub-Compact
Engine Power
▲ 900 higher · +3.5 hp (+10%)3034 hp
90037.5 hp
Median Sub-Compact Tractor26.9 hp
30 is in the 62nd percentile; 900 is in the 70th · 816 models
Engine Displacement
= Effectively tied30165 ci
900165 ci
Median Sub-Compact Tractor91.4 ci
30 is in the 89th percentile; 900 is in the 89th · 757 models
Cylinders
= Effectively tied304
9004
Median Sub-Compact Tractor3
30 is in the 90th percentile; 900 is in the 90th · 802 models
Forward Gears
= Effectively tied306
9006
Median Sub-Compact Tractor9
30 is in the 18th percentile; 900 is in the 18th · 616 models
30 (A)900 (B)Median Sub-Compact Tractor
Full comparison
Every spec, side by side
General Information
| Spec | David Brown 30 | David Brown 900 | Difference |
|---|---|---|---|
| Manufacturer | David Brown | David Brown | Same |
| Model | 30 | 900 | — |
| Category | Sub-Compact | Row Crop | — |
Engine
| Spec | David Brown 30 | David Brown 900 | Difference |
|---|---|---|---|
| Manufacturer | David Brown | David Brown | Same |
| Model | 2.7L 4-cyl | AD4/30H | — |
| Power Output | 34hp | 37.5hp | ▲ 900+3.5 hp · +10% |
| Rated RPM | 2,000RPM | 2,200RPM | ▲ 900+200 RPM · +10% |
| Cylinders | 4 | 4 | Same |
| Displacement | 165ci | 165ci | Same |
| Bore | 3.6in | 3.6in | Same |
| Stroke | 4in | 4in | Same |
Transmission
| Spec | David Brown 30 | David Brown 900 | Difference |
|---|---|---|---|
| Type | Gear | Gear type | — |
Dimensions & Weight
| Spec | David Brown 30 | David Brown 900 | Difference |
|---|---|---|---|
| Length | 117in | 113in | ▲ 30+4 in · +4% |
| Width | Not recorded | 65in | — |
| Height | Not recorded | 77.8in | — |
| Operating Weight | 3,900lb | 4,000lb | ▲ 900+100 lb · +3% |
Hydraulics
| Spec | David Brown 30 | David Brown 900 | Difference |
|---|---|---|---|
| Steering Type | Manual | Manual | Same |
Power Take-off (PTO)
| Spec | David Brown 30 | David Brown 900 | Difference |
|---|---|---|---|
| Type | Not recorded | Transmission or live (optional) | — |
| Speed 1 | Not recorded | 540rpm | — |
Hitch & Towing
| Spec | David Brown 30 | David Brown 900 | Difference |
|---|---|---|---|
| Hitch Category | Not recorded | I | — |
| Hitch Capacity | Not recorded | 1,800lb | — |
Chassis & Drive
| Spec | David Brown 30 | David Brown 900 | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | 4x2 2WD | Same |
| Drive Type | 2WD | 2WD | Same |
| Steering Type | Manual | Manual | Same |
| Brake Type | Not recorded | Mechanical drum | — |
Electrical
| Spec | David Brown 30 | David Brown 900 | Difference |
|---|---|---|---|
| Starter Type | Not recorded | Electric | — |
Capacities
| Spec | David Brown 30 | David Brown 900 | Difference |
|---|---|---|---|
| Coolant | Not recorded | 3.5gal | — |
Operator Station
| Spec | David Brown 30 | David Brown 900 | Difference |
|---|---|---|---|
| Type | Not recorded | Open operator station | — |
Category context
Both models against the field
Engine Power
median 26.9 hpA · 62nd percentile (34 hp)B · 70th percentile (37.5 hp)
Engine Displacement
median 91.4 ciA · 89th percentile (165 ci)B · 89th percentile (165 ci)
Cylinders
median 3A · 90th percentile (4)B · 90th percentile (4)
Forward Gears
median 9A · 18th percentile (6)B · 18th percentile (6)
Operating Weight
median 2,700 lbA · 76th percentile (3,900 lb)B · 80th percentile (4,000 lb)
A · 30B · 900Median Sub-Compact Tractor