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L-SERIES SKIDDERS

L-SERIES SKIDDERS
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L-SERIES SKIDDERS

Product catalog summary
Overview: The document details the specifications and features of John Deere L-Series Skidders, including models 640L, 648L, 748L, 848L, and 948L, designed for forestry operations with a focus on durability, efficiency, and productivity.
Key Features:
  • Outboard-Extreme™ Axles: Enhance durability and stability, standard on 848L and 948L, optional on 748L.
  • Extended Axle Life: Features a pressurized continuous-lube system and independent axle filters for up to 15,000 hours of wear life.
  • Durable Components: Includes straight bushings, grease-thru pins, and roller-bearing articulation joints for longevity and ease of service.
  • Streamlined Electrical System: Simplified for quick troubleshooting and maintenance.
  • Powerful Drivetrain: Constant engine speed for multifunction performance, with 6.8L engines in 640L, 648L, and 748L, and 9.0L engines in 848L and 948L.
  • Grapple Options: Multiple configurations available, with up to 22.3 sq. ft. capacity on the 948L.
Transmission and Engine:
  • Continuously Variable Transmission (CVT): Combines hydrostatic transmission smoothness with torque converter efficiency.
  • Engine Efficiency: Constant 1,800 rpm engine speed for reduced wear and improved fuel economy.
Operator Comfort:
  • Quiet Operation: Enhanced HVAC system and ergonomic controls reduce operator fatigue.
  • Rotating Seat: Optional feature for improved visibility and reduced strain.
Technology Solutions:
  • JDLink™: Remote monitoring and diagnostics for machine health and maintenance.
  • TimberNavi: Jobsite mapping system for increased productivity and operator awareness.
Service and Maintenance:
  • Easy Access: Filters and components are easily accessible for quick service.
  • Hydraulic Reversing Fan: Auto-reversing fan for debris ejection and cooling system maintenance.
Specifications:
  • Engines: John Deere PowerTech engines with various emission standards and power outputs.
  • Transmission: CVT with multiple speed ranges.
  • Hydraulics: Open circuit, axial piston, variable displacement pumps.
  • Electrical System: 24-volt system with high-capacity batteries and alternator.
Specifications Overview: The document provides detailed specifications for John Deere's 848L and 948L forestry machines, including dimensions, engine power, and torque. The machines feature a John Deere PowerTech™ engine, with gross power ranging from 210 kW (281 hp) to 224 kW (300 hp) and gross torque from 1276 Nm (941 ft.-lb.) to 1369 Nm (1,009 ft.-lb.).
Engine and Emission Standards: Engines comply with EPA Final Tier 4 and EU Stage IV standards, featuring a high-pressure common rail fuel system and turbocharged aspiration.
Powertrain and Transmission: Utilizes a CVT with six speed ranges, achieving a maximum travel speed of 25.0 km/h (15.53 mph), with hydraulic-locking differentials and a 30-degree front axle oscillation.
Hydraulics and Electrical System: Features an open circuit, axial piston, variable displacement main pump, and a 24-volt electrical system with high-capacity batteries.
Grapples and Winch: Dual-function grapples with a capacity area of 1.77 m2 (19.1 sq. ft.) to 2.07 m2 (22.3 sq. ft.) and joystick-controlled, hydraulically driven winch.
Operating Weights and Capacities: Machine weights are approximately 22,384 kg (49,349 lb.) for the 848L and 22,416 kg (49,420 lb.) for the 948L, with fuel tank capacities ranging from 391.8 L (103.5 gal.) to 457.7 L (120.9 gal.).
Additional Features: Emphasizes John Deere's commitment to productivity, innovative technology, and dependable support, highlighting improvements in safety and comfort.
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Catalog excerpts

L-SERIES SKIDDERS-1

SERIOUSLY PRODUCTIVE

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L-SERIES SKIDDERS-2

OUTRUN EXPECTATIONS.

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L-SERIES SKIDDERS-4

For big-time reliabil reliability. Outb Outboard-Extreme™ axles are the most rugged axles we’ve ever put to work in the woods. Designed with larger comp components to deliver maximum jobsite durability, and with a heavier weight to boost machine stability, OutboardExtre Extreme axles are standard on the 848L and 948L, optional on the 748L (not available on the 640L and 648L). th

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L-SERIES SKIDDERS-5

UP TO THE CHALLENGE Won't back down. Or let you down. In the forest, uptime is the name of the game. And our L-Series Skidders aren't interested in playing nice. Extended axle life L-Series models feature a pressurized continuous-lube system and independent axle filters that extend wear life up to 15,000 hours.* Axle oil-pressure monitoring alerts the operator if a leak occurs. Straight bushings with grease-thru pins Straight bushings at all grapple, arch, boom, and blade joints deliver long, trouble-free life and can be quickly replaced when needed. Grease-thru pins balance lubrication and are...

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L-SERIES SKIDDERS-6

STANDOUT FEATURE POWER WHEN YOU NEED IT Jfi \ ■ j - ■ &j&t^ - * S.*">v -« - " Continuously Variable Transmission (CVT) and drivetrain. i ’ . - ■ ;'v ^ " ••• .. Easy-to-use CVT transmission combines the smoothness ■ and operating ease of a hydrostatic transmission with the fuel efficiency of a lockup torque converter. \ Jii ' 1’iS

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L-SERIES SKIDDERS-7

Long-term durability and impressive fluid economy CVT transmission enables a constant engine speed, reducing engine wear while providing excellent fluid economy. Proven components,' simplified electronics, and internally routed hoses | further bolster durability. Easy to operate No more shifting — or "shift shocks" due to surging rpm. Simply set the maximum speed and let the transmission do the rest. Configurable speed ranges eliminate the need to hunt for the correct gear, shortening the learning curve for new operators while helping experienced pros maximize productivity. Power to the ground...

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L-SERIES SKIDDERS-8

DRAG MORE WOOD All business. L-Series Skidders reliably deliver power, stability, and performance — for the productivity you need to stay on top of your game.

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L-SERIES SKIDDERS-9

More grapple choices Independent axle diff lock With multiple grapple options available for each L-Series model — up to a massive 22.3 sq. ft. on the 948L — you have more flexibility to configure your skidder to best match the application. Arch design provides a better view to bunches, for more efficient loading. L-Series machines combine impressive horsepower and powerto-weight ratio with a constant engine speed — for superb responsiveness and maximum efficiency. Better machine balance optimizes pulling power, while improving stability when climbing hills, navigating adverse terrain, or hauling...

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L-SERIES SKIDDERS-10

*Difference tested: 6-dB(A) on EPA Final Tier 4 (FT4)/EU Stage IV machines; 4-dB(A) on Interim Tier 4/Stage IIIB and Tier 3/Stage IIIA machines.

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L-SERIES SKIDDERS-11

OPERATE IN QUIET COMFORT Strong, silent type. Your operators can go quietly about their business with less fatigue in the cab of an L-Series Skidder. Designed by loggers for loggers, fatigue-beating creature comforts include a more efficient HVAC system, improved ergonomic controls, and plenty of storage space. Joystick steering and an optional rotating seat reduce strain on your back and neck. The equation is simple — more comfort equals more productivity. Effortless operation Armrest-mounted electro-hydraulic controls provide fingertip control of all machine functions and turn with you in the...

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L-SERIES SKIDDERS-12

JOHN DEERE FORESTSIGHT SOLUTIONS Because time is money. As a logger, you demand more uptime. Fast, accurate diagnosis of machine problems. Rapid, effective service response and the right part, the first time. And closer tracking of machines and operators for efficient operation. John Deere forestry technology solutions are here to help you.

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L-SERIES SKIDDERS-13

JDLink™ JDLink-powered solutions include remotely monitoring machine health, troubleshooting problems, and tracking equipment activity. Alerts can be sent to your computer, mobile device, or Deere dealer to inform you of machine issues. If downtime does occur, remote diagnostics and programming enable your dealer to send a technician to the jobsite with the correct repair part in hand without an initial diagnostic visit. You can also receive periodic maintenance reminders. The core of John Deere ForestSight, JDLink is included free for five years with your base machine purchase. John Deere Ultimate...

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L-SERIES SKIDDERS-14

EASY MAINTENANCE Reliable fuel economy Quick and easy serviceability Low total fluid consumption Efficient Continuously Variable Transmission (CVT) keeps engine speed constant to reduce fuel consumption, while maintaining a smooth ride and providing optimal power to the ground. Filters and critical components are conveniently located for fast service. Large panels are easily removed for wide-open access to the engine compartment, and the cab tilts to provide a quick route to other components. Grease points for boom and arch are easily reached from ground level, while extended service intervals...

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L-SERIES SKIDDERS-15

Hydraulic reversing fan Auto-reversing fan reverses airflow at 30-min. intervals, or can be activated by the operator as needed, to eject debris from the cooler cores. Variable-speed fan runs only as fast as needed, or if conditions demand more frequent cleaning, simply press a button to actuate the reversing cycle. Hydraulic filter service has been extended from 2,000 to 4,000 hours, decreasing planned downtime and expense. Most customers will be able to work a whole season without a change interrupting production. Wide-open cooling package access Cooling fan and other cooling system components...

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L-SERIES SKIDDERS-16

640L / 648L / 748L Engine Manufacturer / Model Off-Road Emission Standards Gross Power Gross Torque Number of Cylinders Valves per Cylinder Engine Displacement Engine Bore and Stroke Fuel System Aspiration Air Cleaner Engine Cold-Start System Cooling Cooling System Fan Drive Powertrain Transmission Speed Ranges, Forward and Reverse Maximum Travel Speed with 30.5-32 Tires Axles Front Axle Oscillation, Stop to Stop Options Differential (front and rear) Steering Articulation Angle Service Brakes Parking Brake Hydraulics Main Pump Maximum Displacement Electrical System Voltage Number of Batteries...

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.