Utility tractorsSpec sheet
Deutz-Fahr DX 3.90
The Deutz-Fahr DX 3.90 is a utility tractor built for versatility and power. It features a 2WD chassis with power steering, making it easy to handle in various farm tasks. The tractor is equipped with a 12-speed partially synchronized transmission, offering 12 forward and 4 reverse gears for smooth operation in different conditions. Under the hood, the DX 3.90 boasts a Deutz F4L 913 engine. This air-cooled, 4-cylinder diesel engine is naturally aspirated and has an above-average displacement of 249.33 cubic inches. With a rated speed of 2350 rpm, it delivers a solid 75 horsepower, which is above average for its class. The tractor's operating weight of 6922 pounds is also above average, providing good stability. It comes with agricultural tires front and rear, and features a Category II hitch at the back for attaching various implements. The open center hydraulic system and ROPS operator station add to its functionality and safety.
ManufacturerDeutz-FahrPower75 hp(55.9 kW)Class60–100 HP tractors →Engine4-cylinderTransmission12-speed partially synchronized
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Key specifications
- Category
- Utility
- Engine power
- 75hp
- Operating weight
- 6,922 lb
- Transmission
- 12-speed partially synchronized
Category comparison
DX 3.90 compared with its category
vs. Utility medianDistribution
Engine Power (hp)
All recorded Utility tractors
75 hp · 68th
This model
9
Median 55 hp
177
This modelUtility tractorsMediann = 5,383
The DX 3.90 ranks at the 68th percentile for engine power among recorded utility tractors.
Overview
About the Deutz-Fahr DX 3.90
The Deutz-Fahr DX 3.90 is a utility tractor built for versatility and power. It features a 2WD chassis with power steering, making it easy to handle in various farm tasks. The tractor is equipped with a 12-speed partially synchronized transmission, offering 12 forward and 4 reverse gears for smooth operation in different conditions. Under the hood, the DX 3.90 boasts a Deutz F4L 913 engine. This air-cooled, 4-cylinder diesel engine is naturally aspirated and has an above-average displacement of 249.33 cubic inches. With a rated speed of 2350 rpm, it delivers a solid 75 horsepower, which is above average for its class. The tractor's operating weight of 6922 pounds is also above average, providing good stability. It comes with agricultural tires front and rear, and features a Category II hitch at the back for attaching various implements. The open center hydraulic system and ROPS operator station add to its functionality and safety.
Full specifications
Recorded specifications
General
| Manufacturer | Deutz-Fahr |
|---|---|
| Model | DX 3.90 |
| Category | Utility tractor |
| Type | 4x2 2WD |
| Operating weight | 6,922lb(3,140 kg) |
Engine
| Make | Deutz |
|---|---|
| Model | F4L 913 |
| Power | 75hp(55.93 kW) |
| Cylinders | 4 |
| Displacement | 249.33ci(4.09 L) |
| Bore | 3.94in(100.1 mm) |
| Stroke | 4.84in(122.9 mm) |
Transmission
| Type | 12-speed partially synchronized |
|---|---|
| Forward gears | 12 |
| Reverse gears | 4 |
Chassis & drive
| Chassis | 4x2 2WD |
|---|---|
| Drive | 2WD |
| Steering | Power |
| Cab | ROPS |
Hydraulics
| Type | Open Center |
|---|
Dimensions
| Length | 157.9in(4,011 mm) |
|---|---|
| Width | 82.3in(2,090 mm) |
| Height | 101.3in(2,573 mm) |
| Operating weight | 6,922lb(3,140 kg) |
Closest alternatives
DX 3.90 compared with the nearest models by horsepower
The closest utility models to the Deutz-Fahr DX 3.90 by rated horsepower are the Deutz-Fahr Agroplus 75 and the Deutz-Fahr AgroPrima 4.31. The Deutz-Fahr Agroplus 75 matches it on rated power and weighs 1,460 lb more, so it carries more weight per horsepower, which helps traction in draft work. The Deutz-Fahr AgroPrima 4.31 matches it on rated power and weighs 860 lb more, at 104 lb per horsepower against 92 lb. Of the 3 models, the DX 3.90 has the lowest weight per horsepower at 92 lb per hp.
| Spec | Deutz-Fahr DX 3.90 | Deutz-Fahr Agroplus 75 | Deutz-Fahr AgroPrima 4.31 |
|---|---|---|---|
| Engine power | 75 hp55.9 kW | 75 hp55.9 kW | 75 hp55.9 kW |
| Operating weight | 6,922 lb3,140 kg | 8,379 lb3,801 kg | 7,783 lb3,530 kg |
| Weight per hp | 92 lb/hp56 kg/kW | 112 lb/hp68 kg/kW | 104 lb/hp63 kg/kW |
| Displacement | 249.3 ci4.09 L | 194.8 ci3.19 L | 249.3 ci4.09 L |
| Cylinders | 4 | 4 | 4 |
| Transmission | 12-speed partially synchronized | Manual | - |
| Drive | 2WD | 4WD | 2WD |
Calculators
Calculators for the DX 3.90
PTO power
About 62 to 68 PTO hp
Estimated from the 75 hp engine rating. The calculator also estimates drawbar power by surface.
Implement sizing
Implements a 75 hp tractor can run
Maximum size is about a 9 ft rotary cutter or a 7.5 ft tiller. The calculator also sizes discs, plows and balers.
Ballast
107 lb per PTO hp as listed
Heavy draft work calls for 130 to 150 lb/hp. The calculator gives the ballast to add.
Units
75 hp is 55.9 kW
The converter gives kW and metric PS values, as used on European spec sheets.
Category medians
DX 3.90 vs. Utility median
Deutz-Fahr DX 3.90 compared with other Utility tractors
| Spec | This model | Utility median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 75 hp | 55 hp | +36% | 68th |
| Engine Displacement | 249 ci | 183 ci | +36% | 70th |
| Cylinders | 4 | 4 | at median | 50th |
| Forward Gears | 12 | 12 | at median | 50th |
| Operating Weight | 6,922 lb | 5,303 lb | +31% | 66th |
| Length | 158 in | 137 in | +16% | 75th |
| Width | 82.3 in | 66 in | +25% | 85th |
| Height | 101 in | 94.1 in | +8% | 69th |
Medians and percentiles are calculated from the utility tractors in the database that have a recorded value for each specification (sample size 3,933–5,720 models).
Same manufacturer
Other Deutz-Fahr models
Other manufacturers
Models with similar horsepower
FAQ
Frequently asked questions
What is the engine power output of the Deutz-Fahr DX 3.90?
Rated engine output for the Deutz-Fahr DX 3.90 is 75 hp, delivered by a 4-cylinder engine. The engine displaces 249.33 ci.
Which transmission does the Deutz-Fahr DX 3.90 use?
The Deutz-Fahr DX 3.90 is equipped with a 12-speed partially synchronized transmission with 12 forward gears.
What type of hydraulic system does the Deutz-Fahr DX 3.90 use?
Hydraulics on the Deutz-Fahr DX 3.90 are Open Center.
What hitch category is the Deutz-Fahr DX 3.90?
The Deutz-Fahr DX 3.90 uses a Category 3 hitch.
What is the operating weight of the Deutz-Fahr DX 3.90?
The Deutz-Fahr DX 3.90 has an operating weight of about 6,922 lb.
How do I maintain a Deutz-Fahr DX 3.90?
Routine service for the Deutz-Fahr DX 3.90 covers engine oil and filter changes, hydraulic and coolant level checks, air filter cleaning, and scheduled inspections. Refer to the manufacturer's maintenance schedule for exact intervals.