Deutz-Fahr 4050E Keyline

The Deutz-Fahr 4050E Keyline is a tractor produced by Deutz Fahr. It is equipped with a 183.1 ci 3.0 L engine. The listed engine power is Diesel (listed): 49.4 hp / 36.8 kW. Transmission: 8 forward and reverse. Operating weight: 4630 to 5512 pounds.

Engine Power

Diesel (listed): 49.4 hp / 36.8 kW

Fuel & Capacities

14.5 gal 54.9 L

Transmission

8 forward and reverse

Operating Weight

4630 to 5512 pounds

Overview

	2018 - 4E Keyline SeriesUtility tractor
2018 -
4E Keyline Series
Utility tractor

Production
Manufacturer	Deutz-Fahr
Utility tractor

Deutz-Fahr 4050E Keyline Engine
SDF 3.0L 3-cyl diesel
Fuel tank	14.5 gal 54.9 L
Engine details ...

Deutz-Fahr 4050E Keyline Power
Engine	49.4 hp 36.8 kW

Mechanical
Two- or four-wheel drive
Differential lock	mechanical
Power steering
Open operator station. Two-post ROPS available.

Hydraulics
Type	open center
Valves	2 to 4
Pump flow	8.2 gpm 31.0 lpm

Tractor hitch
Rear Type	II
Rear lift	3527 lbs 1599 kg

Power Take-off (PTO)
Rear PTO	independent
Rear PTO Type	540
	540/540E OptOptional
	540/1000 OptOptional

Dimensions & Tires
2WD Wheelbase	75.6 inches 192 cm
4WD Wheelbase	76.8 inches 195 cm
Weight	4630 to 5512 pounds
Full dimensions and tires ...

Electrical
Ground	negative
Battery volts	12

References

4E Keyline Series published in 2019, by Deutz-Fahr

Engine

Engine Detail — 183.1 ci / 3.0 L Diesel

Manufacturer	SDF 1000.3
Fuel Type	Diesel
Configuration	3-cylinder, liquid-cooled
Displacement	183.1 ci 3.0 L
Bore/Stroke	4.13x4.56 inches 105 x 116 mm
Emissions	Stage IIIA
Power	49.4 hp 36.8 kW
Rated RPM	2200
Torque	135.7 lb-ft 184.0 Nm
Starter	electric
Starter volts	12

Transmission

Transmission options
8-speed gear
12-speed creeper
8-speed partially synchronized

Transmission — 8 forward and 2 reverse gear

Type	gear
Gears	8 forward and 2 reverse
Clutch	mechanical dry disc

Transmission — 12 forward and 3 reverse creeper

Type	creeper
Gears	12 forward and 3 reverse
Clutch	mechanical dry disc

Transmission — 8 forward and reverse partially synchronized

Type	partially synchronized
Gears	8 forward and reverse
Clutch	mechanical dry disc

Dimensions

Deutz-Fahr 4050E Keyline Tires

Dimensions
2WD Wheelbase	75.6 inches 192 cm
4WD Wheelbase	76.8 inches 195 cm
Length	139.8 inches 355 cm
Width	70.9 inches 180 cm
Height (steering wheel)	64.3 inches 163 cm
2WD ROPS Weight	4630 lbs 2100 kg
4WD ROPS Weight	5512 lbs 2500 kg
2WD Front tread	57.6 inches 146 cm
4WD Front tread	58.6 inches 148 cm
Rear tread	56.7 inches 144 cm

Photos

Deutz-Fahr 4050E Keyline tractor photo

Recommended Implements & Sizing Guide

Engineering recommendations for Deutz Fahr Deutz-Fahr 4050E Keyline based on its 49.4 HP power envelope and ASAE agricultural standards.

Implement & Operation	Recommended Size	Workload Rating	Engineering Notes
Moldboard PlowPrimary Tillage	2 to 3 Bottom (14-16")2 - 3 铧 (35-40 cm)	Medium Duty	Standard utility farm tillage.
Rotary Cutter / MowerMowing & Clearing	6 ft (72 in)1.8 m	Medium Duty	Medium pasture clearing; rear slip-clutch recommended.
Rotary TillerSeedbed Prep	66 to 72 in165 - 180 cm	Medium Duty	Standard utility tiller; slip clutch protection required.
Disc HarrowSecondary Tillage	7 to 8 ft Tandem Disc2.1 - 2.4 m 对开双排耙	Medium Duty	Field leveling and clod breaking behind plows.
Hay BalerHay & Forage	Small Square Baler (14x18")小方捆打捆机 (36x46 cm)	Medium Duty	Classic 2-string baler for horse and small livestock hay.

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 4050E Keyline.

Estimated Continuous Field Runtime: 5.6 hrs

Approximately 5.6 hours of continuous field operation at ~75% rated power on a full tank (14.5 gal / 54.9 L).

Estimated 75% Load Fuel Burn~2.6 gal/hr (9.7 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 4050E Keyline Specification Unit Converter

Convert power, fluid capacities, and operating weights between metric and imperial standards for Deutz Fahr Deutz-Fahr 4050E Keyline.

Enter value:

Unit:

Converted Equivalents:

Horsepower (HP)49.4 hp

Kilowatts (kW)36.8 kW

Metric Horsepower (PS / CV)50.1 PS

Direct Competitor Comparison

Compare Deutz-Fahr 4050E Keyline against same-era industry alternatives in the same horsepower class.

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