Massey Ferguson 7490

The Massey Ferguson 7490 is a tractor produced by Massey Ferguson. It is equipped with a 402.5 ci 6.6 L engine. The listed engine power is Diesel (listed): 168 hp / 125.3 kW. Transmission: Dyna-VT. Operating weight: 15,145 lbs 6869 kg.

Engine Power

Diesel (listed): 168 hp / 125.3 kW

Fuel & Capacities

93.8 gal 355.0 L

Transmission

Dyna-VT

Operating Weight

15,145 lbs 6869 kg

Overview

	2004 - 2012 Model year 2004-20072008-2012 7400 SeriesRow-Crop tractor 7400 Series Row-Crop tractor

Production
Manufacturer	Massey Ferguson
Row-Crop tractor
Built in Beauvais, France

Variants
6490	Dyna-6
7490	Dyna-VT

Massey Ferguson 7490 Engine
Sisu 6.6L 6-cyl diesel
Fuel tank	93.8 gal 355.0 L
Engine details ...

Massey Ferguson 7490 Transmission
21-speed
Transmission details ...

Massey Ferguson 7490 Power
Engine	168 hp 125.3 kW
PTO (claimed)	140 hp 104.4 kW
Drawbar (tested)	115.1 hp 85.8 kW
PTO (tested)	154.4 hp 115.1 kW
Performance test details ...

Mechanical
Four-wheel drive
Power steering
Independent hydraulic wet disc brakes
Cab standard.

Hydraulics
Type	closed center
Pressure	2900 psi 200.0 bar
Valves	3 or 4
Total flow	29 gpm 109.8 lpm

Tractor hitch
Rear Type	II/IIIN
Rear lift (at 24"/610mm)	14,283 lbs 6478 kg
Front Hitch	optional

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

Dimensions & Tires
Wheelbase	118.7 inches 301 cm
Weight	15,145 lbs 6869 kg
Front tire	14.9R28
Rear tire	18.4R38
Full dimensions and tires ...

Electrical
Charging amps	120
	150 (optional)
Batteries	2
Battery CCA	505

Engine

Engine Detail — 402.5 ci / 6.6 L Diesel

Manufacturer	Sisu 66CTA
Configuration	turbocharged intercooled diesel, 6-cylinder, liquid-cooled
Displacement	402.5 ci 6.6 L
Bore/Stroke	4.252x4.724 inches 108 x 120 mm
Power	168 hp 125.3 kW
Air cleaner	dual paper elements
Compression	18.5:1
Rated RPM	2200
Starter volts	12

Transmission

Transmission — DynaStep

Transmission	DynaStep
Gears	21 forward and 18 reverse
Oil capacity	13.2 qts 12.5 L

Transmission — Dyna-VT

Transmission	Dyna-VT
Gears	infinite forward and reverse (2-range)
Oil capacity	13.2 qts 12.5 L

Dimensions

Massey Ferguson 7490 Tires
Ag front	14.9R28
Ag rear	18.4R38

Dimensions
Wheelbase	118.7 inches 301 cm
Length	205.9 inches 522 cm
Width	80 inches 203 cm
Height	122 inches 309 cm
Operating weight	15,145 lbs 6869 kg
Ballasted weight	16,865 lbs 7649 kg
Ground clearance	14 inches 35 cm

Tests

OCED Tractor Test 2197
Diesel Dyna Step 4WD December 1, 2003 - May 1, 2004
PTO performance
Max power	154.4 hp 115.1 kW
Fuel use	8.8 gal/hour 33.3 l/hour
Power at rated engine speed	143.2 hp 106.8 kW
Fuel use	9.4 gal/hour 35.6 l/hour
Power at rated PTO speed	153.1 hp 114.2 kW
Fuel use	9.1 gal/hour 34.4 l/hour
Drawbar performance
Max power	115.1 hp 85.8 kW
Fuel use	9.3 gal/hour 35.2 l/hour

Photos

Massey Ferguson 7490

Recommended Implements & Sizing Guide

Engineering recommendations for Massey Ferguson 7490 based on its 168 HP power envelope and ASAE agricultural standards.

Implement & Operation	Recommended Size	Workload Rating	Engineering Notes
Moldboard PlowPrimary Tillage	5 to 7 Bottom (18")5 - 7 铧 (45 cm)	Commercial / Field Scale	Large acreage tillage; requires front ballast weights.
Rotary Cutter / MowerMowing & Clearing	15 to 20 ft Batwing4.6 - 6.1 m 宽幅折叠翼	Commercial / Field Scale	Large commercial field and roadside mowing operations.
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	15 to 22 ft Folding Disc4.5 - 6.7 m 折叠式圆盘耙	Commercial / Field Scale	Wide commercial field leveling; requires hydraulic remotes.
Hay BalerHay & Forage	Large Square Baler (3x4 or 4x4)大方捆商用打捆机 (1.2x1.2 m)	Commercial / Field Scale	High-capacity commercial forage harvesting (1000 RPM PTO).

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 Massey Ferguson 7490.

Estimated Continuous Field Runtime: 10.7 hrs

Approximately 10.7 hours of continuous field operation at ~75% rated power on a full tank (93.8 gal / 355.1 L).

Estimated 75% Load Fuel Burn~8.7 gal/hr (33.1 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