John Deere 944K Hybrid » Harvest Equipment and Theriault Equipment

John Deere 944K Hybrid

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Features

Engine

  • PowerTech™ EPA Interim Tier 4 (IT4)/EU Stage IIIB engine coupled with a hybrid-electric drive delivers significant fuel savings over 9-yard3 (6.88 m3) loaders with conventional drivetrains.
  • Hybrid-electric drive system is designed to be more dependable. Brushless A/C generators and motors, water-cooled brake resistors, and solid-state power electronics deliver reliable, long-term performance. Reduced engine-speed range increases wear life over conventional drives.

Productivity

  • Flow-sharing hydraulic system boasts the fastest cycle times and the quickest boom-raise time in the 944K’s size class, speeding short-pattern truck loading. Each boom and bucket function has its own hydraulic pump for quick, smooth operation, and faster truck loading.
  • Front fender has been cut back to enable greater visibility to the front tire, so the operator can see when slippage occurs. Fender extensions are available.
  • Engine runs at a choice of three constant operator-selected rpms, so boom and bucket functions are powerful, responsive, and quick, while optimum fuel efficiency is maintained. Reduces overall machine noise and operator fatigue.

Hybrid-Electric Drive

  • Hybrid-electric drive smoothly and efficiently recaptures energy to slow the loader when the operator lets off the accelerator. This lessens the load on the engine and reduces fuel consumption.

Nevergrease™ Pin Joints

  • The NeverGrease option includes a pin-joint system for the linkage and boom joints that eliminates greasing, extends pin-joint life, and provides consistent life across the system.

Quad-Cool™

  • Quad-Cool design places coolers in a boxed configuration that’s isolated from engine heat, for increased efficiency and durability.

Transmission

  • Coast-control feature functions like dynamic braking in a hydrostatic transmission, slowing the loader without touching a pedal and helping reduce service-brake component wear.

Controls

  • Joystick steering adapts to ground speed to deliver smooth, low-effort control for fatigue-beating comfort. F-N-R switch with up- and downshift buttons ensures fast, smooth shifting and directional changes.

Cab Comfort

  • More spacious cab is 10-in. wider than the 844K-II, making it the largest in its class.
  • At only 108 dBA, noise is much less noticeable to bystanders than with other loaders, making this loader a good neighbor. For the operator, cab noise is only 72 dBA.

Serviceability & Uptime

  • All daily service points including fueling are grouped for quick and convenient ground-level access.
  • The 944K is available with four bucket options, a 6.88-m³ (9.0 cu. yd) spade-nose rock bucket, 6.5-m³ (8.5 cu. yd) heavy-duty granite spade-nose rock bucket, a 7.65-m³ (10 cu. yd.) general-purpose pin-on bucket or a less bucket option.
  • Four standard tie-off points are located on top of the cab above each ROPS post that meet MSHA and OSHA requirements. The operator or technician can simply remove the bolt and install their safety device while performing service on the 944K.

Specifications

MODEL John Deere 944K Hybrid Wheel Loader
DRIVELINE  
Engine Manufacturer John Deere
Engine Model PowerTech PSX 6135
Emission Rating Interim Tier 4
Displacement, ltr (Inches) 13.5 (824)
Rated Speed, rpm 1600
Engine Output - Net, kW (hp) 400 (536)
Torque, Nm (lbf / ft) 2530 (1866)
Torque Rise, % 23
Transmission Type A/C Electric
Tire size - Standard 35 / 65 R33
Service Brake - Type Wet Multi Disc
Service Brake - Location All Wheels
Service Brake - Actuation Hydraulic
Parking Brake - Type Wet Multi Disc
DIMENSIONS  
Height - Over Cab, mm (ft/in) 4150 (13 ft 4 in)
Wheelbase, mm (ft/in) 4500 (14 ft 9 in)
Length - Including Bucket, mm (ft/in) 11690 (38 ft 4 in)
Ground clearance, mm (inches) 582 (22.9)
Width Over tires - Std, mm (ft/in) 3729 (12 ft 3 in)
Height - Pivot Pin, mm (ft/in) 5350 (17 ft 7 in)
Reach - At 2130mm 45 Dump, mm (ft/in) 2870 (9 ft 5 in)
Turning Circle - Maximum, mm (ft/in) 17860 (58 ft 6 in)
CAPACITIES  
Fuel Tank, ltr (gallons (US)) 761 (201)
Hydraulic Tank, ltr (gallons (US)) 378 (100)
Transmission, ltr (gallons (US)) 34 (9)
Heaped Capacity, m (yd) 7.65 (10)
Bucket Capacity - Smallest, m (yd) 6.5 (8.5)
Largest bucket capacity, m (yd) 7.65 (10)
Breakout - Bucket , kgf (lbf) 46896 (103388)
Ride Control System Optional
System Voltage, V 24
Alternator Output, Amp 150
Pump Type Axial Piston Pump
Pump Flow, lt/min (gallons (US) / min) 379 (100)
System Pressure, bar (PSI) 350 (5000)
WEIGHTS  
Operating Weight, kg (lbs) 53500 (117947)
COMPARABLE BUILD  
Dump Height, mm (ft/in) 3770 (12 ft 4 in)
Reach at Full Height, mm (ft/in) 1800 (5 ft 11 in)
Tipping Load - Straight, kg (lbs) 38059 (83906)

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