Zetor
Zetor 7745
The Zetor 7745 is a farm tractor produced by Zetor in Brno, Czechoslovakia from 1988 to 1992. It features a 3.9L 4-cylinder diesel engine with turbocharged options delivering up to 81 hp (60.4 kW). The tractor has a 10-speed partially synchronized transmission with 10 forward and 2 reverse gears. It is a four-wheel drive tractor with power assist steering and hydraulic dry disc brakes. The hydraulics system is open center with 2,321 psi pressure and 7.9 gpm flow. The tractor hitch includes a rear lift capacity of 5300 lbs and optional front hitch. PTO options include independent rear PTO with 540/1000 rpm and front PTO at 1000 rpm. Dimensions include a wheelbase of 87.5 inches, length of 149.6 inches, width of 78 inches, and weight of 7900 lbs. Electrical system features a 12-volt battery with a 55 amp alternator. The Zetor 7745 was originally priced at $20,500 in 1992.
Power73 hp
Founded1988 - 1992
Model7745
Technical Specifications
Detailed specifications and technical data for Zetor 7745
Power
| Engine | 81 hp (60.4 kW) |
|---|---|
| Turbo power | 75 hp (55.9 kW) |
| PTO (tested) | 65.74 hp (49.0 kW) |
| PTO (claimed) | 66 hp (49.2 kW) |
| Drawbar (tested) | 55.87 hp (41.7 kW) |
| Drawbar (claimed) | 58 hp (43.3 kW) |
Engine
| Type | Zetor 3.9L 4-cyl diesel |
|---|---|
| Power | 73 hp (54.4 kW) |
| Starter | electric |
| Idle RPM | 600-2400 |
| Fuel tank | 18.5 gal (70.0 L) |
| Rated RPM | 2200 |
| Air cleaner | oil bath with pre-cleaner |
| Bore/Stroke | 4.02x4.72 inches (102 x 120 mm) |
| Compression | 17:1 |
| Power turbo | 81 hp (60.4 kW) |
| Displacement | 239.3 ci (3.9 L) |
| Starter volts | 12 |
| Engine Detail 1 | Zetor 7701 diesel 4-cylinder liquid-cooled |
| Engine Detail 2 | Zetor 7701 turbocharged diesel 4-cylinder liquid-cooled |
| Coolant capacity | 14.5 qts (13.7 L) |
Variants
| 7711 | 2WD |
|---|---|
| 7745 | 4WD |
Electrical
| Ground | negative |
|---|---|
| Battery volts | 12 |
| Charging amps | 55 |
| Charging system | alternator |
Hydraulics
| Type | open center |
|---|---|
| Valves | 2 |
| Pressure | 2,321 psi (160.0 bar) |
| Total flow | 7.9 gpm (29.9 lpm) |
Mechanical
| Drive | Four-wheel drive |
|---|---|
| Brakes | Differential hydraulic dry disc brakes |
| Steering | power assist |
Production
| Built in | Brno, Czechoslovakia |
|---|---|
| Manufacturer | Zetor |
| Original price | $20,500 in 1992 |
| Production years | 1988 - 1992 |
Transmission
| Type | partially synchronized |
|---|---|
| Gears | 10 forward and 2 reverse |
| Details | Five gears, plus reverse, in high and low ranges. Fourth and fifth gears are synchronized. |
Tractor hitch
| Rear Type | II/I |
|---|---|
| Rear lift | 5300 lbs (2404 kg) |
| Front Hitch | II Optional |
Serial Numbers
| Location | Serial number plate on the right side of the dashboard. |
|---|
Dimensions & Tires
| Width | 78 inches (198 cm) |
|---|---|
| Length | 149.6 inches (379 cm) |
| Weight | 7900 lbs (3583 kg) |
| Rear tire | 16.9-28 |
| Wheelbase | 87.5 inches (222 cm) |
| Front tire | 11.2-24 |
| Height (cab) | 104.3 inches (264 cm) |
| Ground clearance | 15 inches (38 cm) |
| Height (exhaust) | 107.9 inches (274 cm) |
| 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 |
| Standard tires (ag) | Front: 11.2-24. Rear: 16.9-28 |
Power Take-off (PTO)
| Rear PTO | independent |
|---|---|
| Rear PTO Type | 540/1000 |
| Front PTO Type | 1000 |