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DEERE 337E KNUCKLEBOOM LOADER

To stay ahead of the competition, you need to keep up at the landing. With powerful swing torque and lift force, streamlined hydraulics, reliable fluid economy, expansive visibility, and rugged components, the John Deere 337E Knuckleboom Loader is designed to withstand and take command of the most punishing logging environments. This proven performer sets the pace in the forest and in its class day after day.

COOL AND COMFORTABLE
Rear and left rear windows have been replaced with heat-deflecting sheet metal that keeps the suns rays from scorching your back and neck while cooling the cab. Enhanced HVAC system stabilizes cab interior temperatures. Satellite-ready radio option can be activated to expand cab amenities.

KEEP IT CLEAN
Efficient fan and other cooling system components swing out for convenient cleaning. High-debris grille option is available to help keep waste material from entering the coolers.

GRAB AND GO
The 337E comes factory equipped with the John Deere 48-inch log grapple constructed of durable cast steel. Ample opening width ranging from 4 to 48 inches enables faster delimbing and loading of trucks.

FILLING THE VACUUM
Conveniently located inside the cab, an optional battery-operated vacuum pump helps avoid oil leakage from hydraulic components and reduces maintenance waste.

FILTER IT OUT
A second hydraulic oil filter doubles change intervals to 2,000 hours. Inline diesel exhaust fluid (DEF) filter boosts system reliability and serviceability.

SIMPLIFIED ELECTRICAL SYSTEM
The wiring harnesses of the electronic controller-based electrical system have been simplified to reduce the number of fuses, relays, and wires by approximately 30 percent compared to previous models. Diagnostic codes via the onboard display through JDLink ease fault detection.

ITS EASY TO SEE
Redesigned cab-window guarding* minimizes external barriers to expand visibility to the front while a lower left-rear hood profile opens up the view behind the machine. LED lighting options, including two lights on the machine upper frame, help illuminate delimbing tasks. * External front-window guarding removal meets operator-protection requirements.

FLUID DYNAMICS
John Deere EPA Final Tier 4 (FT4) engine maintains maximum engine performance while minimizing total fluid consumption diesel fuel plus diesel exhaust fluid. Operating rpm has been optimized to improve fuel efficiency by more than five percent, on average, without loss of machine performance.

IN THE SWING OF THINGS
Dedicated swing circuit provides the continuous power needed for noticeably productive delimbing and loading.

Similar models may be shown in addition to the featured model. Equipment may be shown with options. Specifications are subject to change without prior notice.
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