Skidders 640H Cable /
648H, 748H, and 848H Grapples
640H Cable / 648H Grapple
Direct Drive / Torque Converter 748H / 848H Grapple
ENGINE John Deere, PowerTech Plus
™
6068H, Tier 3 John Deere, PowerTech Plus
™
6068H, Tier 3
Engine displacement 415 cu. in. 6.8 L 415 cu. in. 6.8 L
Gross horsepower @ rated speed 172 hp 128 kW / 185 hp 138 kW 189 hp 141 kW / 200 hp 149 kW
Gross horsepower — peak 184 hp 137 kW / N/A 202 hp 151 kW / 224 hp 167 kW
Additional features Fuel system: high-pressure common rail
Turbocharged, air-to-air intercooled
Engine cold-start system: glow plug
Air cleaner: dual stage with safety element and dust unloader valve
Slope operation, maximum angle: 45 deg.
TRANSMISSION Direct drive / Torque converter Direct drive / Lock-up torque converter
Number of gears:
Forward 8 / 6 8 / 6
Reverse 7 / 3 7 / 3
Maximum travel speed with
30.5-32 tires
@ 2,200 rpm @ 2,200 rpm
Forward travel speed 1.7–14.3 mph 2.7–23.0 km/h / 1.7–14.3 mph 2.7–23.0 km/h /
3.1–15.8 mph 5.0–25.4 km/h 2.6–13.0 mph 4.2–20.9 km/h
Reverse travel speed 1.7–10.8 mph 2.7–17.4 km/h / 1.72–10.8 mph 2.77–17.4 km/h /
3.1–11.5 mph 5.0–18.5 km/h 2.6–9.5 mph 4.2–15.3 km/h
Optional features PowerShift
™
with torque converter and six forward and three reverse speeds
(optional: 648 Grapple and 640 Cable only)
Transmission disconnect, for cold-weather starting (optional: 648 Grapple,
748 Grapple, and 640 Cable direct-drive only)
AXLES Front axle oscillation, stop to stop: 30 deg.
Teammate 4 axles featuring closed-center differential locking circuit
Final drive: heavy-duty planetary, mounted inboard
Differential pressure: 270 psi 1861 kPa
HYDRAULICS
Reservoir size
15 gal. 57 L 15 gal. 57 L
Main pump:
Type Variable-displacement axial piston Variable-displacement axial piston
Maximum rated fl ow 29 gpm 110 L/min. / 42 gpm 159 L/min. 42 gpm 159 L/min.
Maximum rated pressure 3,000–3,100 psi 20 684–21 374 kPa 3,000–3,100 psi 20 684–21 374 kPa
BRAKES
Standard features:
Service brakes Inboard-mounted, wet disc, oil cooled, self-adjusting, and self-equalizing front and rear axles
Parking brake Automatically spring-applied, hydraulically released, sealed and lubricated, wet multi-disc,
integrally mounted in transmission
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