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850K Crawler Dozers

Ok, maybe not YOUR fingerprints. But equipment owners and operators like you had a hand in perfecting the reimagined 850K. Armed with real-world experience, participants in our Customer Advocate Group (CAG) offered their expertise. We listened and responded with numerous K-Series enhancements including additional power and weight for increased productivity. A Tier 4 Final/EU Stage IV diesel engine for work in non-attainment areas. Spacious redesigned cab that's noticeably quieter and more comfortable. And best-in-class serviceability features, such as an innovative easy-to-clean "V-cool" package. Add to those, the unsurpassed operating ease and maneuverability operators have come to expect from our crawlers, and the 850K is an obvious choice.

Features & Benefits

Engine

Our FT4/Stage IV diesels meet emission regulations without sacrificing power or torque. We built on our Interim Tier 4 (IT4)/Stage IIIB solution to deliver the best combination of performance, efficiency, and reliability.

Filters

Exhaust filter operation and status are indicated with icons and on-screen displays. The diagnostic monitor also provides easy-to-understand messages that help speed troubleshooting.

Hydraulics

Sealed hydraulic and hydrostatic reservoirs are separate, eliminating any possibility of cross-contamination.

Cab comfort

Standard high-back air-suspension seat and optional deluxe heated and leather-bolstered lower cushion adjust multiple ways for daylong comfort and support. Arm- and footrests also adjust.

Ease of control

Ergonomically correct joystick provides intuitive, low-effort control of steering, direction, and ground speed. It’s detented so it doesn’t require an operator’s constant touch or attention, and employs a thumb-actuated travel-speed control switch.

Ease of service

Hinged side shields swing open wide for convenient access to dipsticks; fill tubes; batteries; master electrical shutoff; and engine, transmission, and hydraulic filters.

Performance

With heavy-duty high-profile push beams and a three-position pitch-adjustable semi-U blade, the outside- mount dozer delivers exceptional durability and high-production performance.

Crossmembers

Heavy-duty cross-members provide solid lateral support and are shaped to allow a clear view of the bottom of the blade. What’s more, their raised position allows generous clearance at the end of the push.

Counterrotation

Counterrotation is another productivity-boosting feature. It enables an operator to overcome heavy corner loads and quickly reposition the blade on the go. Provides space-saving spot turns, too.

ECO mode

Standard Eco mode automatically adjusts engine power and transmission settings based on load while maintaining ground speed, to help optimize fuel economy with no loss of productivity.

TMC

Exclusive Total Machine Control (TMC) monitor lets an operator select decelerator mode and response, forward/reverse ground-speed ranges, steering modulation, F-N-R shift rate, and forward/reverse speed ratios.

Undercarriage

Available extended-life undercarriage delivers up to twice the bushing life, for extra durability in extremely abrasive conditions. If you want to further reduce maintenance and operating costs, choose the SC-2 extended-life option.

Specs

Key specifications
Engine 6.8L Final Tier 4 (FT4)-certified
Net Power 123 kW (165 hp) @ 1,800 rpm
Base Weight 15 661–17 121 kg (34,527–37,745 lb.)
Track on Ground 2591–3073 mm (102–121 in.)
Blade Width Range 3251–3962 mm (128–156 in.)

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