John Deere Product Details
944 X-Tier
Move Material with Power and Capacity
With ~536 horsepower and up to 10.0 cu. yd. bucket capacity, the 944 X‑Tier is built for ultra‑high-volume loading, maximizing tons moved per cycle in large-scale operations.
Help Reduce Fuel Use and Operating Costs with E‑Drive
The industry-exclusive hybrid E‑Drive system increases efficiency by optimizing power delivery and reducing fuel consumption, helping lower total cost of ownership while maintaining top-end performance.
Maximize Productivity in Tough Environments
With advanced traction, energy recovery, and high-performance hydraulic systems, the 944 X‑Tier is designed to deliver fast cycle times and consistent performance in demanding quarry and material-handling conditions.
Description: 944 X-Tier
Key Specs
| Net Peak Power | 1600 rpm |
Engine
| Manufacturer | John Deere |
| Model | PowerTechâ„¢ PSS 6135 |
| Non-Road Emission Standards | EPA Final Tier 4/EU Stage IV |
| Cylinders | 6 |
| Valves Per Cylinder | 4 |
| Displacement | 824 cu in. |
| Net Peak Power | 1600 rpm |
| Net Torque Rise | 23 % |
| Fuel System (Electronically Controlled) | Mechanically actuated electronic unit injectors |
| Lubrication | Full-flow spin-on filter and integral cooler |
| Aspiration | Series turbocharged, charge air cooled |
| Air Cleaner | Under-hood dual-element dry type; restriction indicator in cab monitor for service |
Cooling
| Fan Drive Type | Hydraulically driven, proportionally controlled, fan aft of coolers |
Electrical And Lighting
| System Type | 150-amp alternator |
| Battery Voltage | 12 V |
| Number Of Batteries | 4 |
| Battery Capacity Per Each | 1400 CCA |
| Standard Alternator Rating | 150 amp |
Transmission System
| Type | Hybrid-electric direct drive |
| Operator Interface | Joystick-mounted F-N-R; Quick-Shift button on hydraulic boom-control lever |
| Shift Modes | Auto mode (1st–D or 2nd–D); Quick-Shift button with 2 selectable modes; kick-down or kick-up/down |
Axles And Brakes
| Final Drives | Heavy-duty outboard-mounted double reduction |
| Rear Axle Oscillation, Stop To Stop | 24 degrees |
| Service Brakes (ISO 3450) | Hydraulically actuated, oil cooled, self-adjusting, multi disc |
| Parking Brake (ISO 3450) | Automatic spring applied, hydraulically released, final-drive integrated, oil cooled, multi disc |
Wheels And Tires
| Tire Size Used To Measure | Michelin 35/65R33 XTXL L4 3 Star |
| Tread Width On Standard Tires | 107 in. |
| Width Over Tires On Standard Tires | 146.8 in. |
Serviceability
| Fuel Tank (With Lockable Cap) Refill Capacity | 197 gal. |
| Engine Oil With Vertical Spin-On Filter Refill Capacity | 46 qt |
Hydraulic System And Steering
| Pump Type And System (Loader And Steering) | Dual, variable-displacement, axial-piston pump; electronic displacement control with pressure cutoff |
| Max Rated Flow At Rated RPM | 74 gpm |
| Steering Type (ISO 5010) | Power, fully hydraulic, pilot joystick steering |
| Steering Articulation Full Arc Angle | 80 degrees |
| Turning Radius (Measured To Centerline Of Outside Tire) | 26.08 ft, in. |
| Hydraulic Total Cycle Time | 13.5 seconds |
| Hydraulic Raise Cycle Time (High-Lift) | 7 seconds |
| Hydraulic Dump Cycle Time (High-Lift) | 3 seconds |
| Hydraulic Lower (Power Down) Cycle Time (High-Lift) | 3.5 seconds |
