5614 Tec Drive Avon, NY 14414
(585) 226-9680
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4540 W. Saile Dr Batavia, NY 14020
(585) 948-5261
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7689 Ridge Road West Brockport, NY 14420
(585) 637-3700
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2818 Earlystown Road Centre Hall, PA 16828
(814) 364-1421
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9570 County Rd Clarence, NY 14032
(716) 741-9115
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8926 W. Main Street Clymer, NY 14724
(716) 355-4236
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49290 State Route 14 East Palestine, OH 44413
(330) 426-2166
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13521 Cambridge Springs Rd. Edinboro, PA 16412
(814) 734-1552
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7852 RT 66 Fairmount City, PA 16224
(814) 764-5159
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1756 Lindquist Drive Falconer, NY 14733-9720
(716) 665-3110
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817 Tobias Road Halifax, PA 17032
(717) 362-3132
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4751 County Road 5 Hall, NY 14463
(585) 526-6325
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8011 Paxton St. Harrisburg, PA 17111
(717) 583-2101
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185 Route 31F Macedon, NY 14502
(585) 425-4428
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5809 William Penn Highway Mifflintown, PA 17059
(717) 436-5553
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13330 Rt.31 Savannah, NY 13146
(315) 594-0115
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336 Vaughn Street Springville, NY 14141
(716) 592-4058
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4488 Greenville-Sandy Lake Rd. Stoneboro, PA 16153
(724) 376-3740
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141 Byers Lane Watsontown, PA 17777
(570) 538-3557
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3907 Route 19 Silver Springs, NY 14550
(585) 591-1670
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LandPro Equipment; NY, OH & PA

John Deere 944 X-Tier Wheel Loader

944 X-Tier  Wheel Loader Model Photo

 

Features

Industry exclusive E-Drive system

What it is

The revolutionary hybrid-electric drivetrain consists of the John Deere 13.5L engine, gearbox, two 3 phase Alternating Current (AC) permanent magnet generators, power electronics or inverters, four 3-phase Alternating Current (AC) Switched Reluctance (SR) motors, four 2-stage reduction final drives, and two brake resistors.  The electric drive components are backed by an 8-year, 20,000 hour warranty providing peace of mind when investing in this machine.

How it works
  • The John Deere 13.5L engine which operates at either a limited engine speed range or at constant speed, like a generator set, connects to a gearbox which houses the hydraulic pumps.
  • The gearbox then transfers engine power to the electric generators and hydraulic pumps.
  • The electric generators convert rotational energy from the engine into 3-phase alternating current electrical energy
  • From here the power electronics, or inverter, delivers this electrical energy from the generators to the electric motors based on operator demand
  • The electrical motors convert the 3-phase alternating current back to rotational energy and torque into the final drives
  • Excess energy is passively consumed through two brake resistors that assist in maintaining reversal performance and engine over speed while coasting downhill
Why it matters
  • Engines that can be run at constant speed like a generator set typically have very long life when operating over a limited speed range
  • When the operator lays off the accelerator pedal, changes direction, or when the loader is driven downhill, inertia and gravity can continue to drive the loader. When this happens, the electric motors are being mechanically driven by the wheels through the driveline and temporarily become generators, adding supplemental energy to the electric drive system.
  • This recovered energy is sent to the power electronics which can in turn now use this energy to drive the generators to assist with driving the hydraulic pumps reducing the load on the engine and allows the engine controller to send less fuel to the engine which is where the gains in fuel economy become very evident.
  • The power electronics is able to constantly monitor all the energy in the system and helps determine the most efficient path for this energy to go.
  • Recycled energy cannot be stored by the electric drive system but there is a system in place that allows the excess energy to be consumed in the form of the two brake resistors that consume extra energy and assist in braking limiting the amount of mechanical braking needed which in turn reduces brake wear and lowers maintenance costs

E-Drive increases productivity and reduces costs

944 X in a rock quarry 944 X in a rock quarry

The 944 X comes with exclusive and customizable features that ensure maximum productivity occurs while also reducing fuel burn and tire slippage, which are major drivers in a machines operating costs.

Exclusive hybrid electric features
  • Traction Control is a standard and exclusive feature to the hybrid electric drive system that automatically limits torque to any wheel when slippage occurs, eliminating runaway wheel spin and increasing tire life.  Traction control aggressiveness can be set by the operator but the feature itself is automatic and requires no operator input during machine operation.
  • Coast Control is another standard and exclusive feature on the 944 X that gives the operator the capability to adjust the aggressiveness of the machine during deceleration through the use of the electric brake resistors.  This feature extends the life of the service brakes and has three adjustable settings to adjust to any operations productivity needs.
  • The efficiency of the electric drive system allows the 944 X to realize strong pushing power and quick ramp climbing abilities, making it easier to operate and increasing operator comfort when going into rock piles and ramp climbing between benches at a quarry.
Normal vs. performance engine speed modes
  • Normal or Variable Speed Mode runs the engine at variable speed modes from 1200 RPM to 1650 or 1800 RPM depending on operator preference.
  • Performance Mode runs the engine at a constant engine speed of 1200, 1650, or 1800 rpm and was designed for customers who are used to running competitive machines with throttle lock.  Desired RPM can be selected by pressing the engine rpm increase and decrease button on the SSM. 
  • In certain applications, running normal mode between 1200 and 1650 RPM can match productivity capabilities of a machine running in performance mode at 1800 RPM while burning significantly less fuel.
Additional benefits
  • Rimpull Control limits torque to the wheels on the ground when in soft or slippery conditions to avoid tire spin and slicing.  It also optimizes traction when crowding against a load.  Rimpull control settings are selected on the SSM through four increments, that decrease the amount of torque to the wheels
  • Auto Idle can be set to automatically lower engine speed when the machine is not in motion and no functions are being activated and Auto Shutdown shuts the machine down after a period of inactivity to help lower fuel costs and save machine warranty hours.
  • The electronic displacement control, high efficiency, flow-sharing hydraulic system produces the fastest cycle times in its size class increasing productivity. The boom and bucket functions each have their own hydraulic pump which provide quick response and fast smooth hydraulic operation allowing the operator to load trucks faster.

Built to be rebuilt

944 undergoing a MidLife 944 undergoing a MidLife

Loaders in this size class are expected to last multiple lives and total cost of ownership is a key factor in upfront purchasing decisions.  Since the 944 X does not contain major components like axles and a transmission, those components will not need to be rebuilt or replaced like a conventional drive loader.   Because of this, a MidLife event between the 18-20k hour range costs approximately 50-60 percent of the cost of rebuilding a traditional drive machine.

  • The electric wheel motors and final drives are designed to last in excess of 30k hours and simply need rotated during MidLife and ReLife events.  This ensures that wear can be evenly distributed to maximize component life and eliminates costly repairs like the rebuilding or replacing of axles
  • All of the electric components on the 944 X were designed to last the life of the machine and most only require an inspection, which now includes the electric cables, during a MidLife event helping decrease the amount of labor during the process
  • Consideration for replacing the engine and hydraulic pumps as well as inspection of the high voltage drive cables are the primary powertrain component items recommended to be completed during a MidLife event.
  • John Deere Certified Rebuild Centers contain the expertise, tools, and facilities needed to accommodate midlife’s and relife’s on the 944 X in an efficient manner.

Designed with serviceability in mind

Right side service access Right side service access
Access to the cooling package on the 944 X Access to the cooling package on the 944 X

The 944 X offers the lowest preventative maintenance cost per hour in it’s size class over traditional drive loaders and is designed with ease of serviceability in mind through both ground level and left and right side lighted platform access.  It also comes with the Quad-Cool™ cooling system, a John Deere exclusive, that places the radiator, air-conditioner condenser, intercooler, and charge air, hydraulic, fuel, gearbox, power electronics and axle coolers in a unique boxed configuration that is isolated from engine heat to more efficiently cool these components throughout the day.

Serviceability benefits
  • The 944 X has a 10 percent preventative maintenance cost advantage over traditional drive loaders due to less oil and other fluids that are required to be changed out on a regular basis resulting in a $0.37 cost per hour advantage.
  • Left and right-side engine compartment doors are easy to access through a bottom panel that swings down for greater access where you will find common maintenance items like filters, fluid checks and fills, sampling and diagnostic test ports, and DOC/DPF.
  • The machine platform is accessible on both the left and right side of the machine and dedicated platform lights allow easy viewing during low light conditions.
  • The two-stage air cleaner that is accessible through left side engine compartment door is a rotary ejector pre-cleaner that filters out large particles to minimize premature air filter plugging to increase machine uptime and contains a sensor that can monitor if there are flow restrictions.
  • The fuel and DEF fill are located on the back left side of the machine and can be easily filled from the ground level.
  • Optional auto lube system is hydraulically driven ensuring that grease is automatically delivered to critical machine joints throughout the day, helping prevent pin and busing wear.
Quad-Cool benefits
  • The coolers are arranged in a manner that the operator has wide open access to both sides of them ensuring that all debris collected in the coolers can be cleaned out
  • Cool-on-demand hydraulically driven variable speed fan is included with the speed of the fan being determined by the machine fluid temperatures resulting in better fuel economy and optimized cooling.
  • Reversing fan is hydraulically driven and automatically or manually back blows heavy dust and airborne debris from the cooling package so the operator can remain in the seat more due to not being forced to manually clean the fan throughout the day.
  • Access to the coolers can be gained on the left or right side of the engine compartment doors or through the rear swing out door. Removing four bolts on each of the side panel doors provides cleaning access for the side coolers. The rear door is latched providing quick and easy access to all of the coolers maximizing uptime.

Leading in sustainability

944 X Hybrid 944 X Hybrid

The 944 X is the most fuel-efficient machine in its size class meaning that it can move more material while burning less fuel.  This allows operations to put more material through the crusher while burning less fuel.  In addition, it’s design efficiencies help realize additional environmental impact reductions through common tasks on aggregates jobsites helping to lower carbon emissions and reducing the 944 X’s overall environmental impact.

  • The 944 X burns 13-33% less fuel over conventional drive loaders in V-pattern truck loading and load and carry applications that are common on aggregates sites. This translates in up to 31 kgs less of CO2 being emitted per hour compared to a traditional drive machine within this size class translating into 930,000 kgs less of C02 emitted over 30,000 hours
  • The hybrid electric drivetrain on the 944 X helps prevent excessive tire spin resulting in increased tire life meaning the 944 X will require four less tire changes over its life, preventing over 90,000 kg of CO2 from entering the atmosphere that would have occurred through the cost of manufacturing and disposing of the extra tires.
  • Lower volumes of oil and fluids are required when performing recommended preventative maintenance translating into 11,000 kg of CO2 less over the life of the machine when compared to a traditional drive loader
  • There is a 6% reduction in global warming potential impact related to manufacturing when the machine undergoes a MidLife or ReLife
CO2 emission equivalency table

 

kg of CO2 Saved

Equivalent

Fuel savings

930,000

202 passenger vehicles driven for one year

Tire savings

90,000

16 homes electricity use for one year

Maintenance savings

11,000

1.3 million smartphones charging

 

Superior visibility from the operator’s seat

View of dual tilt cylinders and front floor to glass windows from operator’s seat View of dual tilt cylinders and front floor to glass windows from operator’s seat
Deluxe Lighting Package on a 944 X working underground Deluxe Lighting Package on a 944 X working underground

Maintaining visibility to your surroundings is crucial in applications that the 944 X is utilized in.  With that in mind, John Deere has designed the machine to allow optimum operator line of sight to key components like the bucket and tires while also offering additional features that enhance visibility around the entire machine.

  • Dual tilt bucket cylinders provide best in class visibility to the center spade tip of the bucket which is beneficial in truck or hopper loading applications so that the operator can avoid damaging the truck or plant
  • Ceiling to floor glass design on the front windows allows the operator unparalleled line of sight from the seat to the tires to determine if they are spinning and to also provide better awareness of hazards like sharp rocks that could damage the tires
  • Various LED lighting options available on the 944 X ensure the machine is well lit during times of low sunlight or if it is operating underground enabling increased visibility to the operators surroundings.  LED lights ensure that lights will last nearly the life of the machine resulting in less downtime and an increase in light emitting power
  • Rear Camera addition provides a high-definition color camera mounted on the rear of the machine that displays on the monitor for viewing obstacles behind the machine.  Rear Object Detection System detects objects behind the machine through audible chirps that increase in intensity when the object gets closer to the machine

DRIVELINE

Engine Manufacturer John Deere
Engine Model PowerTech PSS 6135
Displacement, ltr (Inches³) 13.5 (824)
Rated Speed, rpm 1600
Engine Output - Net, kW (hp) 400 (536)
Torque, Nm (lbf / ft) 2530 (1866)
Transmission Type A/C Electric
Front Differential Type Open
Rear Differential Type Open
Tire size - Standard 35 / 65 R33
Service Brake - Type Wet Multi Disc
Service Brake - Actuation Hydraulic
Parking Brake - Type Wet Multi Disc - Transmission

DIMENSIONS

Height - Over Cab, mm (ft/in) 4200 (13 ft 9 in)
Wheelbase, mm (ft/in) 4500 (14 ft 9 in)
Ground clearance, mm (inches) 582 (22.9)
Width Over tires - Std, mm (ft/in) 3729 (12 ft 2 in)
Height - Pivot Pin, mm (ft/in) 5350 (17 ft 6 in)
Reach - At 2130mm 45° Dump, mm (ft/in) 2870 (9 ft 5 in)

CAPACITIES

Fuel Tank, ltr (gallons (US)) 746 (197)
Hydraulic Tank, ltr (gallons (US)) 378 (100)
Heaped Capacity, m³ (yd³) 7.65 (10)
Breakout - Bucket, kgf (lbf) 47568 (104869)
Ride Control System Yes
Pump Type Piston
Pump Flow - 1, lt/min (gallons (US) / min) 379 (100)
System Pressure, bar (PSI) 350 (5000)

WEIGHTS

Operating Weight, kg (lbs) 54253 (119607)