Zetor 7745

The Zetor 7745 is a tractor produced by Zetor. It is equipped with a 239.3 ci 3.9 L engine. The listed engine power is Diesel (listed): 73 hp / 54.4 kW; Diesel (listed): 81 hp / 60.4 kW. Transmission: 10 forward and 2 reverse. Operating weight: 7900 lbs 3583 kg.

Overview

	1988 - 1992

Production
Manufacturer	Zetor
Built in Brno, Czechoslovakia
Original price was $20,500 in 1992

Variants
7711	2WD
7745	4WD

Zetor 7745 Engine
Zetor 3.9L 4-cyl diesel
Fuel tank	18.5 gal 70.0 L
Engine details ...

Zetor 7745 Transmission
10-speed partially synchronized
Transmission details ...

Zetor 7745 Power
Engine	81 hp 60.4 kW
Drawbar (claimed)	58 hp 43.3 kW
PTO (claimed)	66 hp 49.2 kW
	75 hp (turbo) 55.9 kW
Drawbar (tested)	55.87 hp 41.7 kW
PTO (tested)	65.74 hp 49.0 kW
Performance test details ...

Mechanical
Four-wheel drive
Steering	power assist
Differential hydraulic dry disc brakes

Hydraulics
Type	open center
Pressure	2,321 psi 160.0 bar
Valves	2
Total flow	7.9 gpm 29.9 lpm

Tractor hitch
Rear Type	II/I
Rear lift	5300 lbs 2404 kg
Front Hitch	II OptOptional

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

Dimensions & Tires
Wheelbase	87.5 inches 222 cm
Weight	7900 lbs 3583 kg
Front tire	11.2-24
Rear tire	16.9-28
Full dimensions and tires ...

Electrical
Ground	negative
Charging system	alternator
Charging amps	55
Battery volts	12

References
Owner's Instruction Manual 5211, 5245, 6211, 6245, 7211, 7245, 7711 and 7745
7711 - 7745 published by Zetor

Engine

Engine Detail — 239.3 ci / 3.9 L Diesel

Manufacturer	Zetor 7701
Fuel Type	Diesel
Configuration	4-cylinder, liquid-cooled
Displacement	239.3 ci 3.9 L
Bore/Stroke	4.02x4.72 inches 102 x 120 mm
Power	73 hp 54.4 kW
Air cleaner	oil bath with pre-cleaner
Compression	17:1
Rated RPM	2200
Idle RPM	600-2400
Starter	electric
Starter volts	12
Coolant capacity	14.5 qts 13.7 L

Engine Detail — 239.3 ci / 3.9 L Diesel

Manufacturer	Zetor 7701
Configuration	turbocharged diesel, 4-cylinder, liquid-cooled
Displacement	239.3 ci 3.9 L
Bore/Stroke	4.02x4.72 inches 102 x 120 mm
Power	81 hp 60.4 kW
Air cleaner	oil bath with pre-cleaner
Rated RPM	2200

Transmission

Transmission — 10 forward and 2 reverse partially synchronized

Type	partially synchronized
Gears	10 forward and 2 reverse
Five gears, plus reverse, in high and low ranges. Fourth and fifth gears are synchronized.

Dimensions

Zetor 7745 Tires
Standard tires (ag)	Front: 11.2-24. Rear: 16.9-28
Optional tires (ag)	Front: 11.2-24. Rear: 16.9-30
	Front: 11.2-24. Rear: 12.4-36
	Front: 12.4-24. Rear: 13.6-36
	Front: 12.4-24. Rear: 16.9-34

Dimensions
Wheelbase	87.5 inches 222 cm
Length	149.6 inches 379 cm
Width	78 inches 198 cm
Height (cab)	104.3 inches 264 cm
Height (exhaust)	107.9 inches 274 cm
Weight	7900 lbs 3583 kg
Ground clearance	15 inches 38 cm

Tests

Nebraska Tractor Test 1602
Diesel 10-speed 4WD September 11 - 30, 1986 Link: Nebraska Tractor Test 1602 file
PTO performance
Power at rated engine speed	65.74 hp 49.0 kW
Fuel use	4.0 gal/hour 15.1 l/hour
Power at rated PTO speed	62.17 hp 46.4 kW
Fuel use	3.7 gal/hour 14.0 l/hour
Drawbar performance
Max power	55.87 hp 41.7 kW
Max pull	7,484 lbs 3394 kg

Photos

Zetor 7745