Deutz-Fahr DX 120
The Deutz-Fahr DX 120 is a tractor produced by Deutz Fahr. It is equipped with a 373.9 ci 6.1 L engine. The listed engine power is 111.29 hp 83.0 kW. Transmission: 15 forward and 5 reverse. Operating weight: 10804 lbs 4900 kg.
Engine Power
111.29 hp
83.0 kW
Fuel & Capacities
31.7 gal
120.0 L
Transmission
15 forward and 5 reverse
Operating Weight
10804 lbs
4900 kg
Overview
 | 1981 - 1983
DX SeriesRow-Crop tractor
DX Series
Row-Crop tractor |
|---|
Production | |
|---|---|
Manufacturer | Deutz-Fahr |
Row-Crop tractor | |
Deutz-Fahr DX 120 Engine | |
|---|---|
Deutz 6.1L 6-cyl diesel | |
Fuel tank | 31.7 gal
120.0 L |
Engine details ...  | |
Deutz-Fahr DX 120 Transmission | |
|---|---|
15-speed synchronized | |
Transmission details ...  |
Deutz-Fahr DX 120 Power | |
|---|---|
PTO (claimed) | 110 hp
82.0 kW |
Drawbar (tested) | 92.86 hp
69.2 kW |
PTO (tested) | 111.29 hp
83.0 kW |
Performance test details ...  | |
Mechanical | |
|---|---|
Two- or four-wheel drive | |
Final drives | bull gear |
Power steering | |
Hydraulic disc brakes | |
Cab standard with air-conditioning. | |
Hydraulics | |
|---|---|
Type | open center |
Pump flow | 14.8 gpm
56.0 lpm |
Tractor hitch | |
|---|---|
Rear Type | II |
Rear lift | 11466 lbs
5200 kg |
Power Take-off (PTO) | |
|---|---|
Rear PTO Type | 540/1000 |
Dimensions & Tires | |
|---|---|
Wheelbase | 105.8 inches
268 cm |
Weight | 10804 lbs
4900 kg |
Front tire | 14.9-24 |
Rear tire | 18.4-38 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Battery volts | 12 |
References | |
|---|---|
 | |
DX90-DX120-Dx130-DX140-DX160 published in 1980, by Deutz-Fahr |
Engine
Engine Detail — 373.9 ci / 6.1 L Diesel
Manufacturer | Deutz |
Fuel Type | Diesel |
Configuration | 6-cylinder, air-cooled |
Displacement | 373.9 ci
6.1 L |
Bore/Stroke | 4.02x4.92 inches
102 x 125 mm |
Compression | 17:1 |
Rated RPM | 2300 |
Starter volts | 12 |
Oil capacity | 15.9 qts
15.0 L |
Transmission
Transmission — 15 forward and 5 reverse synchronized
Type | synchronized |
Gears | 15 forward and 5 reverse |
Clutch | dry disc |
Oil capacity | 50.7 qts
48.0 L |
Five gears (1-5) in three ranges (low, medium, high). | |
 | |
Dimensions
Deutz-Fahr DX 120 Tires | |
|---|---|
Ag front | 14.9-24 |
Ag rear | 18.4-38 |
Dimensions | |
|---|---|
Wheelbase | 105.8 inches
268 cm |
Length | 176.8 inches
449 cm |
Height | 108.3 inches
275 cm |
Weight | 10804 lbs
4900 kg |
Tests
Nebraska Tractor Test 1405 | |
|---|---|
Diesel 15-speed 2WD
September 17 - 24, 1981
Link: Nebraska Tractor Test 1405 file | |
PTO performance | |
Power at rated engine speed | 111.29 hp
83.0 kW |
Fuel use | 6.9 gal/hour
26.1 l/hour |
Power at rated PTO speed | 101.90 hp
76.0 kW |
Fuel use | 6.2 gal/hour
23.5 l/hour |
Drawbar performance | |
Max power | 92.86 hp
69.2 kW |
Fuel use | 6.8 gal/hour
25.7 l/hour |
Gear 1H used for power test. | |
Max pull | 12615 lbs
5722 kg |
Gear 1M used for pull test. | |
Photos
Deutz-Fahr DX 120
Recommended Implements & Sizing Guide
Engineering recommendations for Deutz Fahr Deutz-Fahr DX 120 based on its 111.29 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 4 to 5 Bottom (16-18")4 - 5 铧 (40-45 cm) | Heavy Duty | Heavy primary tillage; semi-mounted hitch recommended. |
Rotary Cutter / MowerMowing & Clearing | 10 to 12 ft Flex-Wing3.0 - 3.6 m 折叠双翼 | Heavy Duty | Wide swath pasture and crop residue shredding. |
Rotary TillerSeedbed Prep | 90 to 120 in Heavy Duty230 - 300 cm 重型旋耕机 | Commercial / Field Scale | Deep intensive seedbed preparation for commercial row crops. |
Disc HarrowSecondary Tillage | 10 to 14 ft Tandem / Offset3.0 - 4.2 m 重型交错耙 | Heavy Duty | Aggressive residue cutting in corn/cotton stubble. |
Hay BalerHay & Forage | 5x6 Round Baler or 3x3 Mid Square1.5x1.8 m 大圆捆或中型方捆机 | Heavy Duty | High density baling; requires minimum 85 PTO HP. |
Sizing & Soil Condition NoteActual implement sizing varies depending on local soil conditions (heavy clay vs sandy loam), field slope, and operating speed. Heavy tillage implements may require front ballast weights and wheel weights.
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for Deutz Fahr Deutz-Fahr DX 120.
Estimated Continuous Field Runtime: 5.5 hrs
Approximately 5.5 hours of continuous field operation at ~75% rated power on a full tank (31.7 gal / 120 L).
Estimated 75% Load Fuel Burn~5.8 gal/hr (21.9 L/hr)
Engine Crankcase Oil
SAE 15W-40 (Heavy Duty Diesel)
Standard Spec: API CK-4 / CJ-4 Heavy Duty
Service Interval: 150 – 250 Hours
Transmission & Hydraulic System
UTTO (Universal Tractor Transmission Oil)
Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)
Service Interval: 600 – 1000 Hours
Engine Cooling System
50/50 Ethylene Glycol Pre-mix
Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze
Service Interval: 2 Years / 1500 Hours
Deutz Fahr Deutz-Fahr DX 120 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Deutz Fahr Deutz-Fahr DX 120.
Converted Equivalents:
Horsepower (HP)111.3 hp
Kilowatts (kW)83 kW
Metric Horsepower (PS / CV)112.8 PS
Direct Competitor Comparison
Compare Deutz-Fahr DX 120 against same-era industry alternatives in the same horsepower class.
Current Model
Deutz Fahr
Deutz-Fahr DX 120
Engine Power:111.29 hp
83.0 kW
★ Baseline Reference
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