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David BrownModel A
David Brown 30TD
Agricultural
- power
- 36 hp
- displacement
- 165 ci
- Cylinders
- 4
- Forward gears
- 6
Head to head · Agricultural
David Brown 30TD vs David Brown 40TD
David BrownModel B
David Brown 40TD
Agricultural
- power
- Not recorded
- displacement
- 165 ci
- Cylinders
- 4
- Forward gears
- 6
David BrownDavid Brown 30TD
vs
David BrownDavid Brown 40TD
How they compare
Headline specs vs. the whole Agricultural
Engine Displacement
= Effectively tied30TD165 ci
40TD165 ci
Median Agricultural Tractor336 ci
30TD is in the 9th percentile; 40TD is in the 9th · 1,083 models
Cylinders
= Effectively tied30TD4
40TD4
Median Agricultural Tractor5.5
30TD is in the 31st percentile; 40TD is in the 31st · 1,130 models
Forward Gears
= Effectively tied30TD6
40TD6
Median Agricultural Tractor16
30TD is in the 11th percentile; 40TD is in the 11th · 972 models
Operating Weight
▲ 30TD higher · +41 lb (<1%)30TD8,091 lb
40TD8,050 lb
Median Agricultural Tractor10,914 lb
30TD is in the 32nd percentile; 40TD is in the 32nd · 971 models
30TD (A)40TD (B)Median Agricultural Tractor
Full comparison
Every spec, side by side
General Information
| Spec | David Brown 30TD | David Brown 40TD | Difference |
|---|---|---|---|
| Manufacturer | David Brown | David Brown | Same |
| Model | 30TD | 40TD | — |
| Category | Agricultural | Agricultural | Same |
Engine
| Spec | David Brown 30TD | David Brown 40TD | Difference |
|---|---|---|---|
| Manufacturer | David Brown | David Brown | Same |
| Power Output | 36hp | Not recorded | — |
| Rated RPM | 1,800RPM | 2,200RPM | ▲ 40TD+400 RPM · +22% |
| Cylinders | 4 | 4 | Same |
| Displacement | 165ci | 165ci | Same |
| Bore | 3.6in | 3.6in | Same |
| Stroke | 4in | 4in | Same |
Transmission
| Spec | David Brown 30TD | David Brown 40TD | Difference |
|---|---|---|---|
| Type | Gear type with dry disc clutch | Gear | — |
Dimensions & Weight
| Spec | David Brown 30TD | David Brown 40TD | Difference |
|---|---|---|---|
| Length | 113in | 113in | Same |
| Width | 63in | Not recorded | — |
| Height | 56in | 62in | ▲ 40TD+6 in · +11% |
| Operating Weight | 8,091lb | 8,050lb | ▲ 30TD+41 lb · <1% |
Chassis & Drive
| Spec | David Brown 30TD | David Brown 40TD | Difference |
|---|---|---|---|
| Chassis Type | Crawler | Not recorded | — |
| Drive Type | Crawler Drive | Not recorded | — |
Electrical
| Spec | David Brown 30TD | David Brown 40TD | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
Capacities
| Spec | David Brown 30TD | David Brown 40TD | Difference |
|---|---|---|---|
| Coolant | 4.2gal | 4.2gal | Same |
Operator Station
| Spec | David Brown 30TD | David Brown 40TD | Difference |
|---|---|---|---|
| Type | Open operator station | Not recorded | — |
Category context
Both models against the field
Engine Displacement
median 336 ciA · 9th percentile (165 ci)B · 9th percentile (165 ci)
Cylinders
median 5.5A · 31st percentile (4)B · 31st percentile (4)
Forward Gears
median 16A · 11th percentile (6)B · 11th percentile (6)
Operating Weight
median 10,914 lbA · 32nd percentile (8,091 lb)B · 32nd percentile (8,050 lb)
Length
median 173 inA · 4th percentile (113 in)B · 4th percentile (113 in)
A · 30TDB · 40TDMedian Agricultural Tractor