New Holland Workmaster 70

Last Updated: July 2024

Overview

The New Holland Workmaster 70 is a utility tractor available in both 2WD and 4WD (Front Wheel Assist) configurations, belonging to the Workmaster series. Manufactured by New Holland, this model employs a 2.2 L, three-cylinder, turbocharged diesel engine provided by FCA Diesel, known as the R753. This engine has a compression ratio of 17.5 to 1 and is capable of delivering a maximum power of 56.93 hp at 2599 rpm and 56.33 hp at the standard PTO speed of 540 rpm. The engine is liquid-cooled with detailed cooling system specifications. The Workmaster 70 has a wheelbase of 96.4 inches for the 2WD version and 97.6 inches for the 4WD version, supporting various tasks with a rear hitch lift capacity of 3,310 lbs. The tractor's length varies between 129.1 inches for the 2WD model to 134.0 inches for the 4WD model. A two-post folding ROPS protects the operator, while the tractor's maneuverability is enhanced with power steering and control is maintained with wet disc brakes. Standard tire options include 12.5/80-18 front tires and 18.4-24 rear tires, accommodating diverse agricultural conditions. It features a Synchronized Shuttle transmission with 8 forward and reverse gears, ensuring the versatility required for a range of duties. Additional details include maximum torque of 155 lb-ft at 1802 rpm with a 35.1% torque rise, hydraulic performance metrics, and sound level measurements.
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Key Specifications

Category: Utility

Power Output: 56.93 (Maximum Power); 56.33 (Power at Standard PTO Speed of 540 rpm)

Transmission: Synchronized Shuttle

Drive Type: 2WD or 4WD

Operating Weight: 5070 (Tested Weight without Ballast)

Fuel Type: Diesel

New Holland Workmaster 70 vs. Similar Tractors

Power Output
Average
Greater than 64% of similar tractors.
Hitch Capacity
Average
Greater than 61% of similar tractors.
Operating Weight
Excellent
Greater than 96% of similar tractors.

Technical Specifications

Engine

Manufacturer
FCA Diesel
Model
R753
Cooling Type
Liquid-cooled
Cylinder Orientation
Inline
Valve Configuration
-
Fuel Type
Diesel
Induction Type
Turbocharged
Cylinders
3
Displacement (ci)
136
Bore (in)
3.701
Stroke (in)
4.213
Rated RPM
2600
Power Output (hp)
56.93 (Maximum Power); 56.33 (Power at Standard PTO Speed of 540 rpm)

Transmission

Type
Synchronized Shuttle
Forward Gears
8
Reverse Gears
8
Total Gears
-

Dimensions

Length (in)
129.1 (2WD) | 134.0 (4WD)
Width (in)
77.2
Height (in)
97.2
Operating Weight (lb)
5070 (Tested Weight without Ballast)

Power Take-Off (PTO)

PTO Type
Independent with mechanical clutch
PTO Speed 1 (rpm)
540
PTO Speed 2 (rpm)
540/540E
PTO Speed 3 (rpm)
-

Miscellaneous

Chassis
4x2 2WD or 4x4 MFWD (Front Wheel Assist) 4WD
Drive Type
2WD or 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
-
Manufacture - End Year
-
Hitch Type
-
Hitch Category
II/I
Hitch Position
Rear
Hitch Capacity (lb)
3310
Operator Station Type
Two-post folding ROPS
Starter Type
Electric
Brake Type
Wet disc
Hydraulic System Type
Open center

Test Results

Nebraska Tractor Test Laboratory - Test Date: August 28 to September 5, 2018

Maximum Power and Fuel Consumption

  • Maximum Power: 56.93 HP (42.46 kW) at 2599 rpm
  • Fuel Consumption at Maximum Power: 4.41 Gal/hr (16.71 l/h) with a fuel efficiency of 0.543 lb/hp.hr (0.330 kg/kW.h)
  • Power at Standard Power Take-off Speed (540 rpm): 56.33 HP (42.01 kW) at 2576 rpm

Drawbar Performance

  • Maximum Torque: 155 lb.-ft. (211 Nm) at 1802 rpm
  • Torque Rise: 35.1%
  • Torque Rise at 2080 Engine RPM: 23%

Hydraulic Performance

  • Maximum Force Exerted (at frame): 2705 lbs (12.0 kN)
  • Maximum Force Exerted (at link ends): 3608 lbs (16.0 kN)
  • Pump Delivery Rate at Minimum Pressure and Rated Engine Speed:
  • Combined Outlets: 11.2 GPM (42.3 l/min)
  • Single Outlet: 11.1 GPM (42.0 l/min)
  • Hydraulic Power: 12.8 HP (9.5 kW) at delivery pressure of 2013 psi (139 bar)

Overall Efficiency

  • Fuel Efficiency at Standard PTO Speed (540 rpm): 13.01 Hp.hr/gal (2.56 kW.h/l)
  • Fuel Consumption: 4.33 Gal/hr (16.38 l/h) at 2576 rpm

Sound Levels

  • Operator Sound Level at No Load in 3rd Gear: 92.5 dB(A)
  • Bystander Sound Level in 8th Gear: 82.7 dB(A)



NTTL.(2018). Nebraska Tractor test 2200A for New Holland Workmaster70 Diesel.Lincoln, NE:Nebraska Tractor Test Laboratory. Retrieved from http://tractortestlab.unl.edu