The Mustang 2100RT NXT3 Track Loader was designed from the ground up...

2100RT NXT3 Dump

Height to Hinge Pin - Fully Raised  3251 mm

  • Tier IV-certified Yanmar diesel engines provide 72 hp (53.7 kW)
  • Designed from the ground up, the welded chassis aids in superior weight distribution, which further enhances stability, grading, tractive effort and provides a smoother ride.
  • Flush rear door and angled rear towers provide tight rear clearance radius and excellent visibility.
  • Optional rear bumper/counterweight provides additional protection and towing capability.
  • Thick steel plating and heavy-duty pins and bushing strengthen the loader for extreme-duty work
  • Electronic engine control and foot throttle allow operation at partial throttle, reducing sound levels and fuel consumption.

Operator's Cab

The extra-large, state-of-the art operator’s station on the 2100RT NXT3 Track Loader is designed for optimal operator comfort resulting in more productivity.


  • Optional electronic attachment control - 14-pin connector that allows operation of all attachments.
  • Electro-hydraulic joystick controls provide the ultimate in operator comfort and controllability. They are also not affected during cold weather operation.
  • Hydraloc™system applies the parking brake whenever the operator raises the restraint bars, leaves the operator's seat, open the door or switches off the ignition.
  • Standard, selectable 2-speed drive motors, horn and backup alarm.
  • Optional speed control adds ability to tailor machine operating speeds to application, independent of engine rotation.
  • Standard ISO drive pattern, optional selectable ISO and dual hand (H-pattern) controls.
  • Multi-purpose LCD display provides easy readout during operation.
  • Single button allows simple scrolling and selection of various display functions.
  • Standard Drive Sensitivity Adjustment offers five settings that change five parameters to suit operator preference, skill and application requirements. Adjustable settings include:
  • Joystick Sensitivity
  • Position Reaction
  • Engine Response
  • AntiStall
  • Pump Swash Plate Position
  • Optional HydraGlide™ system allows the lift arm to "float" when transporting loads, minimizing loss of material and providing a smoother ride at faster transport speeds.


Controls on the 2100RT NXT3 Track Loaders are ergonomically designed to reduce operator fatigue, increase productivity and improve versatility.

2100RT NXT3 Controls

  • Cab forward design enhances the view to the bucket.
  • Level II FOPS is standard equipment.
  • New, side-folding restraint bars and armrests with multiple adjustments enhance operator safety and comfort.
  • Fully adjustable controls mounted to a standard mechanical suspension seat or an optional air-ride seat deliver outstanding comfort and precision control by moving with the operator during operation.
  • Complicated gauges and cluttered dash readouts are eliminated with a customizable, easy-to-use multi-function display that incorporates all warning/operation lights and machine configuration screens.
  • Optional pressurized sealed cab enclosure with heat/AC, sound reduction material and rear-mounted air filter provide a comfortable, clean and quiet operating environment.


The 2100RT NXT3 engine is packed with plenty of low-end torque, just what a track loader needs to power through the toughest jobs.

2100RT NXT3 Engine

Make/Model Yanmar/4TNV98CT-NMSLStage 3B
Type 4-Stroke Turbo
Displacement/Cylinders 3.3 L / 4
Gross Power @ rpm 53.7 kW @ 2500
Net Power @ rpm 51 kW @ 2500
Peak Torque @ rpm 279.3 Nm @ 1700
Oil Pump Capacity 10.4 L
Alternator Voltage/Amperage 14V / 95A

  • Automatic glow module engine intake heating system provides superior cold-weather starting.
  • Engine warranty, parts and service are handled through dealership servicing in conjunction with Mustang parts and service support.


The 2100RT NXT3 Track Loader hydraulic system is engineered to push more material, lift heavier loads and power demanding attachments.

2100RT NXT3 Dump

Auxiliary Hydraulic Flow - Rated Speed 82.5 L/min
High-Flow Hydraulic Flow - Rated Speed  135.8 L/min
Transmission Pump Type Axial Piston
Motor Type Axial Piston with Planetary Gear Box Reduction

  • Standard and optional high-flow auxiliary hydraulics are designed to handle virtually every flow/high performance attachment.
  • New cast-iron pump design delivers efficient flow at higher temperatures.
  • Lift cylinders incorporate cushioning for smoother operation when lowering the lift arm.
  • Electro-hydraulic controlled hydrostatic transmission with direct engine coupling provides high operating efficiency while AntiStall technology keeps the power flowing.
  • Power track drive motors deliver superior pushing power.
  • Auxiliary hydraulic quick couplers easily connect under pressure for fast, efficient attachment changes.

Lift Arm

The robust lift-arm on the 2100RT NXT2 Track Loader is designed for optimal strength, visibility and capacity.

2100RT NXT3 Construction

Height to Hinge Pin - Fully Raised  3251 mm
Reach - Fully Raised  876 mm

  • Additional reach and increased dump height result in more efficient load placement and overall performance.
  • Low-profile design provides outstanding forward, rear and side visibility.
  • Simple "in-line" design increases structural integrity by eliminating the complex geometry and welding found on many competitive "offset" lift arm designs.
  • Front channel support and large diameter pivot pins provide exceptional lateral strength and rigidity.
  • Lift-arm incorporates dual bucket cylinders and two lift-arm stop blocks on the front of the main frame to evenly distribute digging forces.


Serviceability is very important to our customers. The 2100RT NXT3 is sure to exceed your service expectations.

2100RT NXT3 Rear Service

  • Large, gas-spring assisted engine cover and over-sized, flush-mounted rear door allows full access on the rear of the machine for servicing and maintenance.
  • Lockable compartments on the rear towers open to reveal the battery on the left and hydraulic tank on the right.
  • Entire ROPS/FOPS assembly tilts rearward with large gas-springs for easy internal service access.
  • Track rollers and idlers are sealed and require no maintenance.
  • Patented tilt-out foot pod allows for best-in-class foot well cleanout and provides perfect access to the fuel tank and other components under the cab.
  • Coded wiring takes the guesswork out of electrical system identification.


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Standard Optional
All-Tach® Mounting System
IdealTraxIndustry Exclusive
Straight TrackingIndustry Exclusive
Power-A-Tach Mounting System
  Standard Optional
Self-Leveling Hydraulic Lift Action
Selectable Self-Leveling Lift Action
Two-Speed Hydraulic Drive System
Hoursepower Management System


Standard Optional
Engine Alert System w/ Error Display
Engine Automatice Shutdown System
Glowplug Start Assist
Dual-Element Air Cleaner w/ Indicator

Operator Station

Standard Optional
Pressurized Cab Enclosure with A/C
Fold-Up Door
Multi-Function Function Display Screen
Drive Sensitivity Adjustment
  Standard Optional
Electronic Attachment Control - 14 Pin Connector
Electro-Hydraulic Joystick Controls
Selectable Control Pattern Configuration
  Standard Optional
Variable Speed Control, Selectable On & Off
Foot Throttle
Full-Suspension Seat
Air Suspension Seat


Standard Optional
Elevated Planetary Final Drives
Maintenance Free Rollers Each Side 4
Single Flange Front/Dual Flange Read Idlers
Rubber Track Undercarriage System
Servo-Controlled Hydrostatic Drive
Dedicated Undercarriage


Standard Optional
Tilt-out Foot PodIndustry Exclusive
Back-up Alarm
Combination Radiator & Hydraulic Oil Cooler
ROPS/FOPS Level II Overhead Guard
Anti-Vandalism Lock Provisions
Mechanical Lift Cylinder Lock

Hydraulic System

Standard Optional
Auxiliary Hydraulics
High-Flow Auxiliary Hydraulics


Overall Operating Height - Fully Raised (mm) 168" (4267)
Height to Hinge Pin - Fully Raised (mm) 128" (3251)
Reach - Fully Raised (mm) 34.5" (876)
Dump Angle - Fully Raised 39°
Dump Height - Fully Raised (mm) 98" (2489)
Maximum Rollback Angle - Fully Raised 102.5°
Overall Height at ROPS (mm) 83.1" (2111)
Overall Length with Bucket - Standard Counterweight (mm) 148.1" (3762)
Overall Length without Bucket - Standard Counterweight (mm) 116.5" (2959)
Specified Height (mm) 67.7" (1720)
Reach at Specified Height (mm) 31.3" (795)
Dump Angle at Specified Height 75°
Maximum Rollback Angle at Ground 30°
Carry Position (mm) 8.2" (208)
Maximum Rollback Angle at Carry Position 31.6°
Digging Position - Below Ground (mm) +0.6" (16)
Angle of Departure with Standard Counterweight 29.2°
Ground Clearance (mm) 13.2" (335)
Track Gauge (mm) 51.7" (1313)
Track Shoe Width (mm) 17.7" (450)
Crawler Base (mm) 58.4" (1483)
Overall Width - Less Bucket (mm) 69.5" (1765)
Bucket Width (mm) 73.9" (1877)
Clearance Radius - Front with Bucket (mm) 94.6" (2403)
Clearance Radius - Rear with Standard Counterweight (mm) 64.6" (1641)
Maximum Rollback at Specified Height 66.8°
Angle of Approach 90°
Grouser Height (mm) 1" (25)
Operating Capacity at 35% of Tipping Load (kg) 2,100 lbs. (953)
Operating Capacity at 50% of Tipping Load (kg) 3,000 lbs. (1361)
Tipping Load (kg) 6,000 lbs. (2722)
Operating Weight (kg) 9,800 lbs. (4445)
Make/Model Yanmar/4TNV98C-NMSL Tier IV
Type 4-Stroke Turbo
Displacement (L) 203 (3.319)
Cylinders 4
Net Horsepower (kW) @ 2500 rpm 70.7 hp (52.7) @ 2500
Peak Torque (Nm) @ 1600 rpm 206 ft.-lbs. (279.3) @ 1700
Oil Pump Capacity (L) 11 qts. (10.4)
Alternator Voltage/Amperage 14V/95A
Track Drives
Drawbar Pull / Tractive Effort (kN) 11,489 lbs. (5211)
Track Type Rubber
Track Rollers 5
Roller Type Steel
Track Width (mm) 17.7″ (450)
Ground Pressure (bar) 4.7 psi (0.32)
Bucket Breakout - Tilt Cylinder (kg) 6,631 lbs. (3008)
Bucket Breakout - Lift Cylinder (kg) 6,481 lbs. (2940)
Ground Speed - Single Speed (km/hr)5.3 mph (8.5) 6.1 mph (9.8)
Ground Speed - Two Speed (km/hr) 8.9 mph (14.3)
Fuel Tank (L) 24 gal. (91)
Hydraulic Reservoir Tank (L) 13.8 gal. (52.2)
Coolant Capacity (L) 3.8 gal. (14.4)
Auxiliary Hydraulic Flow - Rated Speed (L/min) 21.8 gpm (82.5)
High-Flow Hydraulic Flow - Rated Speed (L/min) 35.9 gpm (135.8)
Transmission Pump Type Axial Piston
Motor Type Axial Piston with Planetary Reduction