Wikitractor

Zetor 8640

Production ended · 4WD

PTO power · claimed

74 hp

Weight
8,430 lb
Engines
1 Diesel
Built
no record
Price new · 1999
$34,000

Power

Engine82 hp unspecified
PTO74 hp claimed
Drawbarno record
Listed power82 hp engine basis

Engines

Zetor 4.2L 4-cyl dieselDiesel · 4 cyl254 ci
Engine details
Zetor 4.2L 4-cyl diesel
Bore × stroke
4.13 in × 4.72 in
Rated speed
2,200 rpm
Rated power
82 hp
Cooling
liquid-cooled

Transmissions

18-speed synchromeshsynchromesh18F / 6R
Transmission notes

18-speed synchromesh: Three gears in high/low/reverse ranges with a three-speed torque multiplier.

Weight

Weight8,430 lb unspecified

Dimensions

Wheelbase93.5 in
Length156 in
Width76 in
Ground clearance17 in
Front tread, narrowest64 in
Front tread, widest79.5 in
Rear tread, narrowest59 in
Rear tread, widest71 in

Capacities

Fuel tank28 gal

Hydraulics

Systemopen center
Pump flow16 gpm
Steering flow6.5 gpm
Pressure2,600 psi
Remote valves3

Hitch

Rear hitch categoryII
Controlposition and draft control
Rear lift capacity9,000 lb

PTO

Rear PTOindependent
Rear PTO speeds540/1000 (1.375)
Clutchwet disc

Chassis

Drive4WD
SteeringPower steering
BrakesHydraulic wet disc brakes
Differential lockelectro-hydraulic rear
CabCab standard with available air-conditioning. Two-post ROPS available

Tires

Front12.4-24
Rear16.9-38

Electrical

System voltage12 V
Cold cranking1,150 CCA
Chargingalternator
Charging output55 A
Groundnegative

Production

Price new$34,000 (1999)
FactoriesBrno, Czech Republic
Built byZetor

Variants

  • 8620 2WD
  • 8640 4WD

Literature

  • Model 8620/8640 Zetor, 1996