- Rigid chassis
- WhichTractor size: Utility
- No lab test on file
- 1984–1989
WhichTractor size, not the maker’s category
Derived by WhichTractor from a sourced three-point linkage. How we decide what a machine is
Deutz-Fahr DX 3.90 specs: hp, weight, years
KHD F4L 913 four-cylinder diesel. The manufacturer claimed 74 horsepower. No laboratory has tested one, so there is no measured figure at the shaft.
Engine power, claimed · gross or net not stated
74 hp
55 kW as stated by the source
No lab test on file
Claimed · standard not stated by the source
Source · Traktorenlexikon, “Deutz-Fahr DX 3.90”, 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
- 6,923 lb
- 3-point lift
- 7,275 lb
- Hyd. flow
- 11.4 gpm
- Top speed
- 18.6 mph
Deutz-Fahr DX 3.90 specs: key facts
The Deutz-Fahr DX 3.90 was built from 1984 to 1989.
The Deutz-Fahr DX 3.90 has a claimed engine power (gross or net not stated) of 55 kW (74 hp); it has no measured PTO figure.
The Deutz-Fahr DX 3.90 was offered in two-wheel-drive and four-wheel-drive versions.
The Deutz-Fahr DX 3.90 has a KHD F4L 913 engine, a 4-cylinder 4.09 L diesel unit.
The Deutz-Fahr DX 3.90 weighs 3,140 kg (6,923 lb) unladen.
The Deutz-Fahr DX 3.90 has an independent rear PTO running at 540 rpm / 1000 rpm.
The three-point hitch of the Deutz-Fahr DX 3.90 lifts 3,300 kg (7,275 lb) at the lower-link ends.
The hydraulic pump of the Deutz-Fahr DX 3.90 delivers 43.1 L/min (11.4 gpm).
Source · Traktorenlexikon, “Deutz-Fahr DX 3.90”
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How much horsepower does a DX 3.90 have?
The only figure for the DX 3.90 is 74 hp (55 kW) of claimed engine power, gross or net not stated, no test standard stated — not power at the shaft.
Source · Traktorenlexikon, “Deutz-Fahr DX 3.90”
What engine is in a DX 3.90?
A DX 3.90 has a KHD F4L 913, a 4-cylinder 4.09 L diesel engine.
| Make & model | KHD F4L 913 |
|---|---|
| Cylinders | 4, air-cooled |
| Displacement | 249.3 ci · 4.09 L |
| Max torque | 192 lb·ft · 260 N·m @ 1,550 rpm |
| Electrical system | 12 V |
Source · Traktorenlexikon, “Deutz-Fahr DX 3.90”
How much will a DX 3.90 lift, and what is its hydraulic flow?
A DX 3.90 lifts 7,275 lb (3,300 kg) at the lower-link ends.
| Pump flow | 11.4 gpm · 43.1 L/min |
|---|---|
| Pressure | 3,481 psi · 240 bar |
| Lift at ends | 7,275 lb · 3,300 kg |
| Rear PTO | Independent, engine-driven, 540 rpm / 1000 rpm @ 2,025 engine rpmEngages under load |
| PTO shaft | 1 3/8"-6 splines (Form I) |
Source · Traktorenlexikon, “Deutz-Fahr DX 3.90”
What transmission does a DX 3.90 have?
Transmission specifications for the DX 3.90 are below.
| Clutch | Independent dry double clutch |
|---|---|
| Steering | Hydrostatic Danfoss steering |
| Top speed | 18.6 mph · 30 km/h |
Source · Traktorenlexikon, “Deutz-Fahr DX 3.90”
How much does a DX 3.90 weigh?
A DX 3.90 weighs 6,923 lb (3,140 kg) unladen.
| Unladen weight | 6,923 lb · 3,140 kgtwo-wheel-drive version |
|---|---|
| Maximum permissible mass | 11,023 lb · 5,000 kg |
| Wheelbase | 91.6 in · 2,327 mmtwo-wheel-drive version |
| Length | 153.9 in · 3,910 mmtwo-wheel-drive version |
| Width | 84.2 in · 2,138 mm |
| Height | 97.2 in · 2,470 mm |
| Ground clearance | 18.0 in · 457 mmtwo-wheel-drive version |
| Front track | 55.1–74.8 in · 1,400–1,900 mmtwo-wheel-drive version |
| Rear track | 59.8–65.0 in · 1,520–1,650 mm |
Source · Traktorenlexikon, “Deutz-Fahr DX 3.90”
What oil does a DX 3.90 take, and how much?
A DX 3.90 engine takes 11.6 qt (11.0 L). Single source, not independently verified — always confirm against the operator’s manual for your machine.
| System | Capacity |
|---|---|
| Engine oil | 11.6 qt · 11.0 LSource: Traktorenlexikon, “Deutz-Fahr DX 3.90” · single source, not independently verified |
| Transmission | 1.1 qt · 1.0 LSource: Traktorenlexikon, “Deutz-Fahr DX 3.90” · single source, not independently verified |
Always confirm against the operator’s manual for your machine before service.
Which tractors compare with a DX 3.90?
Within 10% of its 74 hp of claimed engine power, the same type, and first built within 15 years of it.
- Deutz-Fahr DX 3.80 AS74 hp engine, claimed · 1985–1990Side by side with the DX 3.90 →
- Deutz-Fahr DX 8074 hp engine, claimed · 1982–1983Side by side with the DX 3.90 →
- Massey Ferguson 294 AS74 hp engine, claimed · 1980–1987Side by side with the DX 3.90 →
- Fendt Farmer 108 LS/LSA74 hp engine, claimed · 1977–1980Side by side with the DX 3.90 →
- Fendt Farmer 30774 hp engine, claimed · 1993–1998Side by side with the DX 3.90 →
- Massey Ferguson 3055 (A)74 hp engine, claimed · 1993–1995Side by side with the DX 3.90 →
Common questions about the Deutz-Fahr DX 3.90
Is a DX 3.90 two-wheel drive or four-wheel drive?
The Deutz-Fahr DX 3.90 was offered in two-wheel-drive and four-wheel-drive versions.
What PTO does a DX 3.90 have?
A DX 3.90 has a independent 540 rpm / 1000 rpm rear PTO on a 1 3/8"-6 splines (Form I) shaft.
Sources and how this page was built
Compiled from Traktorenlexikon, “Deutz-Fahr DX 3.90”.
Sources
Facts taken from these documents, units converted. Numbers beside a figure refer to this list. Licences and attribution
- Traktorenlexikon: Deutz-Fahr DX 3.90 — CC BY-SA 4.0, WIKIBOOKS-TL-32890 · revision 1059337. Wikibooks contributors (Traktorenlexikon). Original document