Massey Ferguson 7715S

Last Updated: July 2024

Overview

The Massey Ferguson 7715S is a row-crop tractor with a maximum power output of 121.2 hp at 1900 rpm and a maximum torque of 460 lb-ft at 1400 rpm. It has a 6-cylinder 24-valve turbocharged intercooled diesel engine with SCR and a displacement of 402 cubic inches. The operating weight is 15,200 lbs, and it features a 4x4 MFWD 4WD chassis with power steering. The hydraulic system is closed-center load-sensing with a maximum force exerted of 8,630 lbs at the hitch points, a pump delivery rate of 23.8 GPM at multiple outlets, and a hydraulic power of 33.0 hp. The tractor has a Dyna-6 24-speed selective gear with power shift transmission and PTO speeds of 540 rpm at 1982 engine rpm or 1000 rpm at 2030 engine rpm. The braking system consists of multiple wet disc hydraulically operated by two foot pedals that can be locked together.
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Key Specifications

Category: Row Crop

Power Output: 121.2

Transmission: Dyna-6 (24 Speed, selective gear with power shift)

Drive Type: 4WD

Operating Weight: 15200

Fuel Type: Diesel No. 2

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Massey Ferguson 7715S vs. Similar Tractors

Power Output
Average
Greater than 48% of similar tractors.
Hitch Capacity
Above Average
Greater than 83% of similar tractors.
Operating Weight
Excellent
Greater than 93% of similar tractors.

Technical Specifications

Engine

Manufacturer
AGCO Power
Model
66 AWF
Cooling Type
Liquid-cooled
Cylinder Orientation
-
Valve Configuration
24-valve
Fuel Type
Diesel No. 2
Induction Type
Turbocharged intercooled, air to air intercooler, and SCR (selective catalyst reduction)
Cylinders
6
Displacement (ci)
402
Bore (in)
4.252
Stroke (in)
4.724
Rated RPM
2100
Power Output (hp)
121.2

Transmission

Type
Dyna-6 (24 Speed, selective gear with power shift)
Forward Gears
-
Reverse Gears
-
Total Gears
-

Dimensions

Length (in)
194
Width (in)
100.4
Height (in)
118.9 (Height of the cab)
Operating Weight (lb)
15200

Power Take-Off (PTO)

PTO Type
-
PTO Speed 1 (rpm)
-
PTO Speed 2 (rpm)
-
PTO Speed 3 (rpm)
-

Miscellaneous

Chassis
4x4 MFWD 4WD
Drive Type
4WD
Steering Type
Power
Coolant Capacity (qts)
-
Front Tire Diameter (in)
-
Front Tire Width (in)
-
Rear Tire Diameter (in)
-
Rear Tire Width (in)
-
Front/Rear Rim Diameter (in)
-
Tire Type
Standard (ag): Front: 380/85R28. Rear: 460/85R38
Manufacture - End Year
-
Hitch Type
III/II
Hitch Category
Category 3
Hitch Position
Rear
Hitch Capacity (lb)
27557 lbs
Operator Station Type
Cab
Starter Type
Electric
Brake Type
-
Hydraulic System Type
Closed-center load-sensing

Test Results

Nebraska Tractor Test Laboratory - Test Date: June to July 2016

Maximum Power and Fuel Consumption

  • Maximum Power: 121.2 HP (90.4 kW) at 1900 rpm
  • Fuel Consumption at Maximum Power: 7.99 Gal/hr (30.24 l/h) with a fuel efficiency of 0.393 lb/hp.hr (0.239 kg/kW.h)
  • DEF Consumption: 0.22 Gal/hr (0.85 l/h)

Drawbar Performance

  • Power at Rated Engine Speed (9th Gear): 110.8 HP (82.6 kW) with a drawbar pull of 7195 lbs (32.0 kN) and a speed of 5.31 mph (8.54 km/h)
  • Fuel Consumption at Rated Speed: 0.467 lb/hp.hr (0.284 kg/kW.h) with a fuel efficiency of 13.91 Hp.hr/gal (2.74 kW.h/l)

Torque and Engine Performance

  • Maximum Torque: 460 lb.-ft. (625 Nm) at 1400 rpm
  • Torque Rise: 35.2% with a power increase at 1900 rpm of 2.37%

Hydraulic Performance

  • Maximum Force Exerted: 8630 lbs (38.4 kN) at hitch points
  • Pump Delivery Rate: 25.3 GPM (95.9 l/min) at minimum pressure and rated engine speed
  • Hydraulic Power: 33.0 HP (24.6 kW) at delivery pressure of 2380 psi (164 bar)

Overall Efficiency

  • Fuel Efficiency at Standard PTO Speed (1000 rpm): 17.15 Hp.hr/gal (3.38 kW.h/l)
  • Fuel Consumption: 7.90 Gal/hr (29.90 l/h) at 2100 rpm

    NTTL.(2018).OECD tractor test 2995 for Massey Ferguson 7715S Dyna4 Diesel. Lincoln, NE: Nebraska Tractor Test Laboratory. Retrieved from http://tractortestlab.unl.edu

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