John Deere Product Details

640L-III
The 640L-III Cable Skidder offers efficiency and productivity in timber harvesting with its powerful engine, robust cable arch, and advanced control systems, ensuring superior performance and reliability in the most demanding forestry environments.
- Gross Power: 237 hp (177 kW)
- Gross Torque: 756 ft-lb (1025 Nm)
- Operating Weight: 36,962 lb. (16,766 kg)
- Continuously Variable Transmission (CVT)
Continuously Variable Transmission (CVT) Offers the Best of Both Worlds

The CVT combines the efficiency of a direct-drive with the smooth operation of a hydrostatic drive, delivering efficient power and eliminating the need for gear shifting. This helps operators maintain desired speeds and maximizes productivity by easing the learning curve.
Easy Serviceability Increases Uptime

The skidders are designed for efficient maintenance with ground-level access to daily service points, swing-out coolers for easy debris cleaning, and detachable engine panels for wide-open access. These features, along with remote diagnostics and extended hydraulic filter intervals, help reduce downtime and prevent costly repairs.
Primary Display Unit

Ergonomic, 12-in. Primary Display Unit centralizes machine gauges, work-time analytics, TimberMatic™ Maps/TimberManager™, camera views, and enables Remote Display Access for faster remote diagnostics and reduced downtime.
Key Specs
| Engine Manufacturer | John Deere |
| Engine Model | PowerTech™ PSS 6.8L |
| Engine Torque | 756 lb-ft |
| Displacement | 415 in³ |
| Steering Articulation Angle | 45 degree (angle) |
Final Tier 4/EU Stage V Engine
| Engine Manufacturer | John Deere |
| Engine Model | PowerTech™ PSS 6.8L |
| Non-road Emission Standard | EPA Final Tier 4 / EU Stage V |
| Engine Output | 237 hp |
| Engine Torque | 756 lb-ft |
| Number of Cylinders | 6 |
| Valves Per Cylinder | 4 |
| Displacement | 415 in³ |
| Engine Bore and Stroke | 4.17 x 5.00 in. |
| Fuel System | High Pressure Common Rail |
| Aspiration | Turbo charging and charge air cooling |
| Air Cleaner | Dual stage with safety element |
| Engine Cold Start System | Glow plugs |
Powertrain
| Speed Ranges, Forward and Reverse | 6 |
| Maximum Travel Speed with 30.5-32 Tires | 15.37 mph |
| Front axle oscillation, stop to stop | 30 degree (angle) |
| Axle Options | 1400 Extreme Duty & 1400 Super Wide Extreme Duty (SWEDA™) |
| Differential (Front and Rear) | Hydraulic locking, Operated on the go, Open Center Differential Lock |
| Steering | Fully hydraulic, joystick |
| Articulation angle | 45 degree (angle) |
| Service Brake Type | Inboard mounted, wet disc, oil cooled, front and rear axles |
| Parking Brake Type | Automatically spring-applied, hydraulically released, sealed and lubricated, wet multi-disc |
| Transmission | Continuous Variable Transmission (CVT) |
Hydraulics
| Pump | Open circuit, axial piston, variable displacement |
| Maximum Displacement | 5.19 ci/rev |
Electrical System
| Voltage | 24 V |
| Number of Batteries | 2 |
| Battery Capacity Per Each | 950 CCA |
| Standard Alternator Rating | 150 amp |
| Lights | 10 Standard; 14 Optional |
Cooling
| Cooling System Type | Heavy-duty radiator with continuous de-aeration tank and recovery reservoir |
| Fan Drive Type | Hydraulic, Variable Speed, Reversing |
Capacities
| Fuel Tank | 90.4 gal. |
| Hydraulic Tank | 32.6 gal. |
| Diesel-Exhaust Fluid (DEF) Tank Refill Capacity | 5.2 gal. |
Dozer Blade
| Type | Standard Stacking Blade |
| Dozer Blade Height | 27.1 in. |
| Dozer Blade Width | 86.3 in. |
| Width (optional) | 116.6 in. |
| Blade Control | Joystick |
Winch
| Winch Control | Joystick control, hydraulically driven |
| 5/8-in. Cable Capacity (2-Speed 4000 Winch with 204-mm (8-in.) Drum) | 252 ft |
| 3/4-in. Cable Capacity (2-Speed 4000 Winch with 204-mm (8-in.) Drum) | 177 ft |
| 7/8-in. Cable Capacity (2-Speed 4000 Winch with 204-mm (8-in.) Drum) | 128 ft |
| 1-in. Cable Capacity (2-Speed 4000 Winch with 204-mm (8-in.) Drum) | 100 ft |
| Low-Speed Line Pull - 5/8-in. Cable - Bare Drum at Stall with 2-Speed 4000 Winch | 47997 lbf |
| High-Speed Line Pull - 5/8-in. Cable - Bare Drum at Stall with 2-Speed 4000 Winch | 31990 lbf |
| 5/8-in. Cable Capacity (2-Speed 6000 Winch with 279.5-mm (11-in.) Drum) | 390 ft |
| 3/4-in. Cable Capacity (2-Speed 6000 Winch with 279.5-mm (11-in.) drum) | 267 ft |
| 7/8-in. Cable Capacity (2-Speed 6000 Winch with 279.5-mm (11-in.) Drum) | 197 ft |
| 1-in. Cable Capacity (2-Speed 6000 Winch with 279.5-mm (11-in.) Drum) | 150 ft |
| Low-Speed Line Pull - 5/8-in. Cable - Bare Drum at Stall with 2-Speed 6000 Winch | 49696 lbf |
| High-Speed Line Pull - 5/8-in. Cable - Bare Drum at Stall with 2-Speed 6000 Winch | 33131 lbf |
| Low-Speed Line Speed - 5/8-in. Cable - Bare Drum at 1800 rpm with 2-Speed 6000 or 4000 Winch | 60 fpm |
| High-Speed Line Speed - 5/8-in. Cable - Bare Drum at 1800 rpm with 2-Speed 6000 or 4000 Winch | 90 fpm |
Dimensions
| Overall Length | 298.9 in. |
| Overall Width | 127.3 in. |
| Height Over Cab | 132.5 in. |
| Wheelbase | 144.8 in. |
| Ground Clearance | 21.8 in. |
| Dozer Blade - Dig Depth | 14.1 in. |
| Maximum Blade Lift Above Ground | 59.7 in. |
| Steering Articulation Angle | 45 degree (angle) |
| Tire Size | 30.5 - 32 |
Operating Weight
| Operating Weight | 36962 lb. |