Zetor Forterra 10641

The Zetor Forterra 10641 is a tractor produced by Zetor. It is equipped with a 253.6 ci 4.2 L engine. The listed engine power is Diesel (listed): 105 hp / 78.3 kW. Transmission: 24 forward and 18 reverse. Operating weight: 9500 lbs 4309 kg.

Engine Power

Diesel (listed): 105 hp / 78.3 kW

Fuel & Capacities

47.6 gal 180.2 L

Transmission

24 forward and 18 reverse

Operating Weight

9500 lbs 4309 kg

Overview

	1999 - 2009 Model year 1999-20022002-20072007-2009 Forterra SeriesUtility tractor Forterra Series Utility tractor

Production
Manufacturer	Zetor
Utility tractor
Built in Brno, Czechoslovakia

Zetor 10641 Engine
Zetor 4.2L 4-cyl diesel
Fuel tank	47.6 gal 180.2 L
Engine details ...

Zetor 10641 Transmission
24-speed synchronized
Transmission details ...

Zetor 10641 Power
Engine	105 hp 78.3 kW
Drawbar (tested)	72.7 hp 54.2 kW
PTO (tested)	91.2 hp 68.0 kW
Performance test details ...

Mechanical
Four-wheel drive
Power steering
Wet disc brakes
Cab standard with available air-conditioning.

Hydraulics
Type	open center
Valves	3
Pump flow	15.85 gpm 60.0 lpm

Tractor hitch
Rear Type	II
Rear lift	9300 lbs 4218 kg

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

Dimensions & Tires
Wheelbase	93.7 inches 237 cm
Weight	9500 lbs 4309 kg
Front tire	14.9-24
Rear tire	18.4R-38
Full dimensions and tires ...

Electrical
Ground	negative
Battery volts	12

Engine

Engine Detail — 253.6 ci / 4.2 L Diesel

Manufacturer	Zetor Z 1303
Configuration	turbocharged diesel, 4-cylinder, liquid-cooled
Displacement	253.6 ci 4.2 L
Bore/Stroke	4.134x4.724 inches 105 x 120 mm
Power	105 hp 78.3 kW
Compression	17.0:1
Rated RPM	2200
Torque	289.1 lb-ft 392.0 Nm
Torque RPM	1500
Starter volts	12

Transmission

Transmission — 24 forward and 18 reverse synchronized

Type	synchronized
Gears	24 forward and 18 reverse
Clutch	hydraulic dry disc

Dimensions

Zetor 10641 Tires
Ag front	14.9-24
Ag rear	18.4R-38

Dimensions
Wheelbase	93.7 inches 237 cm
Length	172 inches 436 cm
Height	106.7 inches 271 cm
Weight	9500 lbs 4309 kg

Tests

OCED Tractor Test 1774
Diesel 24-speed 4WD March 1998 - June 1998, Link: OCED Tractor Test 1774 file
PTO performance
Max power	91.2 hp 68.0 kW
Fuel use	5.8 gal/hour 22.0 l/hour
Power at rated engine speed	90.3 hp 67.3 kW
Fuel use	6.0 gal/hour 22.7 l/hour
Power at rated PTO speed	91.0 hp 67.9 kW
Fuel use	5.5 gal/hour 20.8 l/hour
Drawbar performance
Max power	72.7 hp 54.2 kW
Fuel use	5.5 gal/hour 20.8 l/hour
Max pull	7890 lbs 3578 kg

Photos

Zetor Forterra 10641 tractor photo

Recommended Implements & Sizing Guide

Engineering recommendations for Zetor Forterra 10641 based on its 105 HP power envelope and ASAE agricultural standards.

Implement & Operation	Recommended Size	Workload Rating	Engineering Notes
Moldboard PlowPrimary Tillage	4 to 5 Bottom (16-18")4 - 5 铧 (40-45 cm)	Heavy Duty	Heavy primary tillage; semi-mounted hitch recommended.
Rotary Cutter / MowerMowing & Clearing	10 to 12 ft Flex-Wing3.0 - 3.6 m 折叠双翼	Heavy Duty	Wide swath pasture and crop residue shredding.
Rotary TillerSeedbed Prep	90 to 120 in Heavy Duty230 - 300 cm 重型旋耕机	Commercial / Field Scale	Deep intensive seedbed preparation for commercial row crops.
Disc HarrowSecondary Tillage	10 to 14 ft Tandem / Offset3.0 - 4.2 m 重型交错耙	Heavy Duty	Aggressive residue cutting in corn/cotton stubble.
Hay BalerHay & Forage	5x6 Round Baler or 3x3 Mid Square1.5x1.8 m 大圆捆或中型方捆机	Heavy Duty	High density baling; requires minimum 85 PTO HP.

Sizing & Soil Condition NoteActual implement sizing varies depending on local soil conditions (heavy clay vs sandy loam), field slope, and operating speed. Heavy tillage implements may require front ballast weights and wheel weights.

Fluids, Capacities & Working Autonomy

Standard fluid requirements, service intervals, and continuous runtime estimates for Zetor Forterra 10641.

Estimated Continuous Field Runtime: 8.7 hrs

Approximately 8.7 hours of continuous field operation at ~75% rated power on a full tank (47.6 gal / 180.2 L).

Estimated 75% Load Fuel Burn~5.5 gal/hr (20.7 L/hr)

Engine Crankcase Oil

SAE 15W-40 (Heavy Duty Diesel)

Standard Spec: API CK-4 / CJ-4 Heavy Duty

Service Interval: 150 – 250 Hours

Transmission & Hydraulic System

UTTO (Universal Tractor Transmission Oil)

Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)

Service Interval: 600 – 1000 Hours

Engine Cooling System

50/50 Ethylene Glycol Pre-mix

Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze

Service Interval: 2 Years / 1500 Hours