Zetor 7745

Last Updated: July 2024

Overview

The Zetor 7745 is a utility tractor that comes equipped with a four-wheel drive (4x4 MFWD 4WD) chassis, making it suitable for a variety of tasks on the farm. This model features power assist steering and a partially synchronized 10-speed transmission, which provides a good balance between control and efficiency. The 7900 lbs operating weight, combined with its liquid-cooled Zetor 7701 diesel engine, able to deliver 70.65 horsepower at 2200 rpm, ensures that the 7745 has enough power for demanding tasks. The tractor has standard agriculture tires and an open center hydraulic system. The engine operates at a rated RPM of 2200 and has a coolant capacity of 14.5 quarts. The Zetor 7745, with its solid build and practical features, meets the daily requirements of many farming operations. One of its distinguishing characteristics is the ground clearance of 15 inches, which allows for operation in various terrains. Additional notable features include a maximum torque of 198 lb.-ft. at 1400 rpm with a 15% torque rise, a maximum force exerted of 3171 lbs at the hitch points, and a pump delivery rate of 11.1 GPM at minimum pressure and rated engine speed. The fuel efficiency at the standard PTO speed of 540 rpm is 14.0 Hp.hr/gal, with a fuel consumption of 4.62 Gal/hr at 1710 rpm.
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Key Specifications

Category: Utility

Power Output: 70.65

Transmission: Partially Synchronized

Drive Type: 4WD

Operating Weight: 7900

Fuel Type: Diesel

Zetor 7745 vs. Similar Tractors

Power Output
Above Average
Greater than 71% of similar tractors.
Operating Weight
Average
Greater than 56% of similar tractors.

Technical Specifications

Engine

Manufacturer
Zetor
Model
7701
Cooling Type
Liquid-Cooled
Cylinder Orientation
-
Valve Configuration
-
Fuel Type
Diesel
Induction Type
-
Cylinders
4
Displacement (ci)
239.3
Bore (in)
4.02
Stroke (in)
4.72
Rated RPM
2200
Power Output (hp)
70.65

Transmission

Type
Partially Synchronized
Forward Gears
10
Reverse Gears
2
Total Gears
-

Dimensions

Length (in)
149.6
Width (in)
78
Height (in)
-
Operating Weight (lb)
7900

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 Assist
Coolant Capacity (qts)
14.5
Front Tire Diameter (in)
-
Front Tire Width (in)
-
Rear Tire Diameter (in)
-
Rear Tire Width (in)
-
Front/Rear Rim Diameter (in)
-
Tire Type
Agriculture
Manufacture - End Year
-
Hitch Type
Category II/I
Hitch Category
3
Hitch Position
-
Hitch Capacity (lb)
-
Operator Station Type
-
Starter Type
Electric
Brake Type
-
Hydraulic System Type
Open Center

Test Results

Nebraska Tractor Test Laboratory - Test Date: September 30, 1986

Maximum Power and Fuel Consumption

  • Maximum Power: 70.65 HP (52.67 kW) at 2200 rpm
  • Fuel Consumption at Maximum Power: 4.31 Gal/hr (16.31 l/h) with a fuel efficiency of 0.434 lb/hp.hr (0.264 kg/kW.h)

Drawbar Performance

  • Power at Rated Engine Speed (8th Gear): 60.24 HP (44.92 kW) with a drawbar pull of 5400 lbs (24.02 kN) and a speed of 5.99 mph (9.64 km/h)
  • Fuel Consumption at Rated Speed: 4.36 Gal/hr (16.50 l/h) with a fuel efficiency of 0.438 lb/hp.hr (0.266 kg/kW.h)

Torque and Engine Performance

  • Maximum Torque: 198 lb.-ft. (268 Nm) at 1400 rpm
  • Torque Rise: 15%

Hydraulic Performance

  • Maximum Force Exerted: 3171 lbs (14.11 kN) at hitch points
  • Pump Delivery Rate: 11.1 GPM (42.0 l/min) at minimum pressure and rated engine speed

Overall Efficiency

  • Fuel Efficiency at Standard PTO Speed (540 rpm): 14.0 Hp.hr/gal (2.76 kW.h/l)
  • Fuel Consumption: 4.62 Gal/hr (17.49 l/h) at 1710 rpm



Nebraska Tractor Test Lab. (1986). Test 1602: Zetor 7745, 7711, 6320 and 6340 Diesel 10-Speeds. Lincoln, NE: Nebraska Tractor Test Laboratory. Retrieved from https://digitalcommons.unl.edu/tractormuseumlit/1913