844 X-Tier wheel loader with a large bucket attachment, black tires, and enclosed cab, shown on a white background in a side view.

John Deere 844 X

Large Wheel Loader

The John Deere 844 XTier Wheel Loader delivers performance, hybrid EDrive efficiency, and advanced machine intelligence, helping crews move more material with faster cycle times and lower operating costs in highproduction environments.

Product Features:

  • Net Peak Power: 315 kW (422 hp) at 1,400 rpm
  • Operating Weight: 32,982–34,050 kg (72,713–75,067 lb.)
  • Bucket Capacity: 4.8–6.5 m³ (6.3–8.5 cu. yd.)
  • Height to Top of Cab: 12 ft, 3 in. (3.73 m)
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Specifications

Manufacturer John Deere
Model JD14
Non-Road Emission Standards EPA Tier 4/EU Stage V
Cylinders 6
Valves Per Cylinder 4
Displacement 13.55 L
Displacement 827 cu in.
Net Peak Power 1400 rpm
Net Peak Power At Rated RPM (ISO 9249) 315 kW
Net Peak Power At Rated RPM (ISO 9249) 422 hp
Net Peak Torque 1400 rpm
Net Peak Torque At Rated RPM (ISO 9249) 2151 Nm
Net Peak Torque At Rated RPM (ISO 9249) 1586 lb-ft
Net Torque Rise 53 %
Fuel System (Electronically Controlled) Electronic High Pressure Common Rail (HPCR)
Lubrication Full-flow spin-on filter and integral cooler
Aspiration Single turbocharged, charge air cooled
Air Cleaner Dual-element dry type, restriction indicator in cab monitor for service; additional centrifugal engine pre-cleaner

Fan Drive Type Hydraulically driven, proportionally controlled, fan aft of coolers, automatic reversing fan drive

System Type 24 volt with 150-amp alternator
Battery Voltage 12 V
Number Of Batteries 2
Battery Capacity Per Each 1400 CCA
Standard Alternator Rating 150 amp

Type Electric Variable Transmission (EVT)
Shift Control Electronically modulated, adaptive, load and speed dependent
Operator Interface Steering-column or joystick-mounted F-N-R and gear-select lever; quick-shift button on hydraulic lever
Shift Modes Auto (1st–4th or 2nd–4th); quick-shift button with 2 selectable modes: kick-down or kick-up/down

Final Drives Heavy-duty mid-board planetary
Standard Differentials Front Conventional differential front and rear – standard; hydraulic locking front with conventional rear – optional; dual locking front and rear – optional
Standard Differentials Rear Conventional differential front and rear – standard; hydraulic locking front with conventional rear – optional; dual locking front and rear – optional
Tire Size Used To Measure Oscillation 29.5 R 25, 1 Star L3 tires
Rear Axle Oscillation, Stop To Stop 26 degrees
Rear Axle Oscillation, Distance Each Direction 13 degrees
Service Brakes (ISO 3450) Outboard, forced oil cooled, multi disc
Parking Brake (ISO 3450) Automatic spring applied, hydraulically released, sealed wet multi disc

Tire Size Used To Measure 875/65R29, 1 Star L-3
Tread Width On Standard Tires 2440 mm
Tread Width On Standard Tires 96.1 in.
Width Over Tires On Standard Tires 3408 mm
Width Over Tires On Standard Tires 134.2 in.

Fuel Tank (With Lockable Cap) Refill Capacity 534 L
Fuel Tank (With Lockable Cap) Refill Capacity 141 gal.
Cooling System Refill Capacity 60.5 L
Cooling System Refill Capacity 64 qt
Diesel-Exhaust Fluid (DEF) Refill Capacity 26.3 L
Diesel-Exhaust Fluid (DEF) Refill Capacity 27.6 qt
Engine Oil With Vertical Spin-On Filter Refill Capacity 61 L
Engine Oil With Vertical Spin-On Filter Refill Capacity 64.4 qt
Transmission Reservoir With Vertical Filter Refill Capacity 53 L
Transmission Reservoir With Vertical Filter Refill Capacity 14 gal.
Axle Oil Without Coolers (Front And Rear, Each) Refill Capacity 68 L
Axle Oil Without Coolers (Front And Rear, Each) Refill Capacity 18 gal.
Hydraulic Reservoir With Filter Refill Capacity 196 L
Hydraulic Reservoir With Filter Refill Capacity 51.7 gal.
Parking Brake Oil (Wet Disc) Refill Capacity 0.35 L
Parking Brake Oil (Wet Disc) Refill Capacity 11.84 oz.

Pump Type And System (Loader And Steering) 2 variable-displacement, load-sensing axial-piston pumps; closed-center system
Rated RPM 2000 rpm
System Pressure At Max Rated Flow 6894.76 kPa
System Pressure At Max Rated Flow 1000 psi
Pump (Steering) 1 variable-displacement, load-sensing axial-piston pumps; closed-center system
Max Rated Flow At Rated RPM 199.5 L/min
Max Rated Flow At Rated RPM 52.7 gpm
System Relief Pressure (Loader And Steering) 24900 kPa
System Relief Pressure (Loader And Steering) 3611 psi
Loader Controls 2-function valve; single- or dual-lever controls; control lever lockout feature; optional 3rd function valve with auxiliary levers
Steering Type (ISO 5010) Power, fully hydraulic; single-lever control and adjustable wristrest with conventional steering wheel override
Steering Articulation Full Arc Angle 80 degrees
Steering Articulation Angle Each Direction 40 degrees
Turning Radius (Measured To Centerline Of Outside Tire) 6.3 m
Turning Radius (Measured To Centerline Of Outside Tire) 20.67 ft, in.
Hydraulic Raise Cycle Time 5.9 seconds
Hydraulic Dump Cycle Time 1.9 seconds
Hydraulic Lower (Power Down) Cycle Time 3.6 seconds
Hydraulic Total Cycle Time 11.4 seconds

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