| Manufacturer |
Deutz-Fahr |
| Price |
- |
| Model |
DX 3.90 |
| Equipment Type |
Utility Tractors |
| Factory |
Germany |
DEUTZ-FAHR DX 3.90 POWER
ENGINE DETAIL
The Deutz-Fahr DX 3.90 is equipped with a robust air-cooled Deutz F4L 913 engine, offering reliable performance with 75 hp at a rated RPM of 2350. Its displacement of 4.1L and the substantial torque from the bore-stroke ratio ensure efficient power delivery for various agricultural tasks, making it suitable for mid-sized farms. However, the air-cooled system can present challenges in high-temperature conditions, potentially affecting long-duration operation efficiency and requiring careful monitoring of engine temperatures.
| Description |
Deutz F4L 913 diesel 4-cylinder air-cooled |
| Displacement |
249.33ci / 4.1L |
| Bore/Stroke |
3.94x4.84inches / 100x 123mm |
| Power |
75hp / 55.9kW |
| Rated RPM |
2350 |
| Oil capacity |
10.5qts / 9.9L |
DEUTZ-FAHR DX 3.90 ENGINE
The Deutz-Fahr DX 3.90 is powered by a robust 4.1L, 4-cylinder diesel engine, offering advantages in fuel efficiency and torque output, making it suitable for medium-duty agricultural tasks. Potential challenges may include maintenance of the engine, as intricate components may lead to higher service costs. Its compact size enhances maneuverability in tight spaces, ideal for small to medium-sized farms with diverse crop needs.
| Description |
Deutz 4.1L 4-cyl diesel |
TRANSMISSIONS OVERVIEW
The Deutz-Fahr DX 3.90 features a 12-speed partially synchronized transmission coupled with a 24-speed two-speed power shift, providing versatile gear options for various field conditions. This dual transmission system enhances operational efficiency and allows for precise speed control, beneficial for tasks like plowing or transport. However, the complexity of operation may require additional operator training to fully leverage its capabilities.
| Description |
12-speed partially synchronized 24-speed two-speed power shift |
TRANSMISSION 1
The Deutz-Fahr DX 3.90 features a partially synchronized gearbox, offering 12 forward and 4 reverse gears, enhancing operational flexibility across varying terrains. Its dry disc clutch ensures reliable engagement but may require more frequent maintenance compared to wet clutches, particularly in tough working conditions. The oil capacity of 39.1 quarts provides adequate lubrication, crucial for prolonged operation, but operators should monitor oil levels, especially during extended use to prevent lubrication failure.
| Type |
partially synchronized |
| Gears |
12 forward and 4 reverse |
| Clutch |
dry disc |
| Oil capacity |
39.1qts / 37.0L |
| Description |
Four synchronized gears (1-4) in three ranges (creeper/low/high) plus reverse range |
TRANSMISSION 2
The Deutz-Fahr DX 3.90 features a dual-split, two-speed power shift transmission with 24 forward and 8 reverse gears, enhancing operational efficiency across various tasks. The dry disc clutch provides a reliable engagement, although it may require more maintenance compared to wet clutches. This transmission design is advantageous for tasks requiring rapid gear changes, making it suitable for varied field applications, but operating at high speeds may pose challenges in managing stability and control.
| Transmission |
Dual-Split |
| Type |
two-speed power shift |
| Gears |
24 forward and 8 reverse |
| Clutch |
dry disc |
| Description |
Dual-split adds a two-speed high/low shift to the basic transmission. Four gears in three forward ranges and one reverse range |
MECHANICAL
The Deutz-Fahr DX 3.90 features a robust 4x4 MFWD option for superior traction in varied terrains, making it ideal for diverse agricultural tasks. The mechanical rear differential lock enhances off-road capability, though it may present challenges in terms of maneuverability on paved surfaces due to potential oversteering. The 12-speed partially synchronized transmission allows for smooth shifting and adaptability, while the optional StarCab enhances operator comfort and visibility during extended use.
| Chassis |
4x2 2WD/4x4 MFWD 4WD |
| Differential lock |
mechanical rear |
| Steering |
power |
| Brakes |
hydraulic drum |
| Cab |
Four-post ROPS with canopy. StarCab optional |
| Transmissions |
12-speed partially synchronized 24-speed two-speed power shift |
CAPACITY
| ROPS Fuel |
23gal / 87.1L |
| Cab Fuel |
22.5gal / 85.2L |
| Hydraulic system |
4 gal /15.1 L 7.5gal / 28.4L |
HYDRAULICS
| Type |
open center |
| Capacity |
4 gal /15.1 L 7.5gal / 28.4L |
| Pressure |
2538psi / 175.0bar |
| Rear valves |
1 to 3 |
| Front valves |
2 |
| Pump flow |
17.7gpm / 67.0lpm |
TRACTOR HITCH
| Rear Type |
II |
| Control |
position and draft control |
| Rear lift |
7275lbs / 3299kg |
| Front Hitch |
II |
POWER TAKE-OFF (PTO)
| Rear PTO |
independent |
| Rear RPM |
540 (1.375) |
| Front PTO |
independent |
| Clutch |
dry disc |
| Front RPM |
1000 |
DEUTZ-FAHR DX 3.90 TIRES
The Deutz-Fahr DX 3.90 tractor offers a choice between 2WD and 4WD configurations, with the latter providing enhanced traction on uneven terrains. The optional 2WD tire configuration with 16.9x34 rear tires allows for improved stability and load capacity. However, the 2WD setup may underperform in muddy or slippery conditions compared to the 4WD, which excels in diverse agricultural scenarios.
| 2WD Standard tires (ag) |
Front: 10.00x16. Rear: 18.4x30 |
| 4WD Standard tires (ag) |
Front: 12.4x24. Rear: 18.4x30 |
| 2WD Optional tires (ag) |
Front: 11.00x16. Rear: 16.9x34 |
DIMENSIONS
| 2WD Wheelbase |
91.5inches / 232cm |
| 4WD Wheelbase |
94inches / 238cm |
| Length |
157.9inches / 401cm |
| Width |
82.3inches / 209cm |
| Height (ROPS) |
97.3inches / 247cm |
| Height (cab) |
101.3inches / 257cm |
| Rear tread |
59 to 78.8inches / 149to 200cm |
DEUTZ-FAHR DX 3.90 WEIGHT
| 2WD ROPS |
6922lbs / 3139kg |
| 2WD Cab |
7826lbs / 3549kg |
| 4WD ROPS |
7429lbs / 3369kg |
| 4WD Cab |
8333lbs / 3779kg |
DIMENSIONS & TIRES
The Deutz-Fahr DX 3.90 features a robust wheelbase of 91.5 inches for 2WD and 94 inches for 4WD, enhancing stability and maneuverability. Weighing between 6922 to 8333 pounds, it is suitable for various agricultural tasks, though its lower weight may impact traction in challenging terrains. The combination of 10.00x16 front and 18.4x30 rear tires allows for effective weight distribution and soil compaction management, making it ideal for both row crop applications and light tillage.
| 2WD Wheelbase |
91.5inches / 232cm |
| 4WD Wheelbase |
94inches / 238cm |
| Weight |
6922 to 8333 pounds |
| Front tire |
10.00x16 |
| 2WD Rear tire |
18.4x30 |
