- Rigid chassis
- WhichTractor size: Utility
- No lab test on file
- 1967–1971
- 18,989 built
It sits on the utility/standard-size boundary, so either size is a fair description. WhichTractor size, not the maker’s category
Derived by WhichTractor from a sourced three-point linkage. How we decide what a machine is
David Brown 1200 Selectmatic specs: hp, weight, years
DAVID BROWN AD 4/55 A four-cylinder diesel. The manufacturer claimed 66.1 horsepower. No laboratory has tested one, so there is no measured figure at the shaft.
Engine power, claimed · gross or net not stated
66.1 hp
49.3 kW as stated by the source
No lab test on file
Claimed · standard not stated by the source
Source · Traktorenlexikon, “David Brown 1200”, claimed
This is the maker’s own figure, measured at the engine. Power at the PTO is lower — by how much, for this machine, nobody has measured.
- Weight
- 6,228 lb
- Top speed
- 15.5 mph
David Brown 1200 Selectmatic specs: key facts
The David Brown 1200 Selectmatic was built from 1967 to 1971.
The David Brown 1200 Selectmatic has a claimed engine power (gross or net not stated) of 49.3 kW (66.1 hp); it has no measured PTO figure.
The David Brown 1200 Selectmatic was offered in two-wheel-drive and four-wheel-drive versions.
The David Brown 1200 Selectmatic has a DAVID BROWN AD 4/55 A engine, a 4-cylinder 3.60 L diesel unit.
The David Brown 1200 Selectmatic weighs 2,825 kg (6,228 lb) unladen.
The David Brown 1200 Selectmatic has an independent rear PTO running at 540/1000 rpm.
Source · Traktorenlexikon, “David Brown 1200”
How does the 1200 Selectmatic compare with its class?
- Limitation:
Six forward gears is low for its class — 50% below the median of 12 across the 340 machines within 10% of its power that hold this figure.
Derived by WhichTractor from 347 comparable records. How we work this out
How much horsepower does a 1200 Selectmatic have?
The only figure for the 1200 Selectmatic is 66.1 hp (49.3 kW) of claimed engine power, gross or net not stated, no test standard stated — not power at the shaft.
Source · Traktorenlexikon, “David Brown 1200”
What engine is in a 1200 Selectmatic?
A 1200 Selectmatic has a DAVID BROWN AD 4/55 A, a 4-cylinder 3.60 L diesel engine.
| Make & model | DAVID BROWN AD 4/55 A |
|---|---|
| Cylinders | 4, liquid-cooled |
| Displacement | 219.4 ci · 3.60 L |
| Max torque | 170 lb·ft · 231 N·m @ 1,320 rpm |
| Injection | Direct injection |
Source · Traktorenlexikon, “David Brown 1200”
How much will a 1200 Selectmatic lift?
Hydraulic and PTO specifications for the 1200 Selectmatic are below.
| Rear PTO | Independent, engine-driven, 540/1000 rpm |
|---|---|
| PTO shaft | 1 3/8"- 6 splines (Form-A) |
Source · Traktorenlexikon, “David Brown 1200”
What transmission does a 1200 Selectmatic have?
Transmission specifications for the 1200 Selectmatic are below.
| Clutch | Dry two-stage double clutch |
|---|---|
| Steering | Mechanical recirculating ball steering |
| Top speed | 15.5 mph · 25 km/h |
Source · Traktorenlexikon, “David Brown 1200”
How much does a 1200 Selectmatic weigh?
A 1200 Selectmatic weighs 6,228 lb (2,825 kg) unladen.
| Unladen weight | 6,228 lb · 2,825 kgtwo-wheel-drive version |
|---|---|
| Maximum permissible mass | 7,893 lb · 3,580 kg |
| Wheelbase | 88.5 in · 2,248 mmtwo-wheel-drive version |
| Length | 133.3 in · 3,386 mmtwo-wheel-drive version |
| Width | 91.3 in · 2,320 mm |
| Height | 67.4 in · 1,711 mm |
| Ground clearance | 21.4 in · 543 mmtwo-wheel-drive version |
| Front track | 52.0–72.0 in · 1,321–1,829 mm |
| Rear track | 56.0–80.0 in · 1,422–2,032 mm |
| Turning radius, braked | 11.9 ft · 3.63 m |
Source · Traktorenlexikon, “David Brown 1200”
What oil does a 1200 Selectmatic take, and how much?
A 1200 Selectmatic engine takes 7.8 qt (7.39 L). Single source, not independently verified — always confirm against the operator’s manual for your machine.
| System | Capacity |
|---|---|
| Engine oil | 7.8 qt · 7.39 LSource: Traktorenlexikon, “David Brown 1200” · single source, not independently verified |
| Transmission | 43.2 qt · 40.9 LSource: Traktorenlexikon, “David Brown 1200” · single source, not independently verified |
| Final drives | 2.4 qt · 2.27 LSource: Traktorenlexikon, “David Brown 1200” · single source, not independently verified |
| Cooling system | 14.4 qt · 13.6 LSource: Traktorenlexikon, “David Brown 1200” · single source, not independently verified |
Always confirm against the operator’s manual for your machine before service.
Which tractors compare with a 1200 Selectmatic?
Within 10% of its 56.2 hp at the PTO as the maker claimed it, with no laboratory test on file, the same type, and first built within 15 years of it.
- Leyland 27056.1 hp PTO, claimed · 1973–1975Side by side with the 1200 Selectmatic →
- Fendt Farmer 305 LSA56 hp PTO, claimed · 1980–1993Side by side with the 1200 Selectmatic →
- Hürlimann D-200 SA Synchromatic56.4 hp PTO, claimed · 1967–1971Side by side with the 1200 Selectmatic →
- Hürlimann D 200S56.4 hp PTO, claimed · 1966–1971Side by side with the 1200 Selectmatic →
- Hürlimann D-200 Synchromatic56.4 hp PTO, claimed · 1969–1973Side by side with the 1200 Selectmatic →
- Hürlimann D-470 (A)55.8 hp PTO, claimed · 1979–1983Side by side with the 1200 Selectmatic →
Common questions about the David Brown 1200 Selectmatic
Is a 1200 Selectmatic two-wheel drive or four-wheel drive?
The David Brown 1200 Selectmatic was offered in two-wheel-drive and four-wheel-drive versions.
What PTO does a 1200 Selectmatic have?
A 1200 Selectmatic has a independent 540/1000 rpm rear PTO on a 1 3/8"- 6 splines (Form-A) shaft.
What serial numbers does a 1200 Selectmatic carry?
The source prints serial numbers 700001 to 718990 for the type 1200-A. It does not say whether that is the tractor’s or the engine’s number, and we never work out a year from a serial number.
Sources and how this page was built
Compiled from Traktorenlexikon, “David Brown 1200”.
Sources
Facts taken from these documents, units converted. Numbers beside a figure refer to this list. Licences and attribution
- Traktorenlexikon: David Brown 1200 — CC BY-SA 4.0, WIKIBOOKS-TL-93776 · revision 1054689. Wikibooks contributors (Traktorenlexikon). Original document