This is the factory service manual for the Mustang RT series compact track loaders, part number 50940165, covering the 1750RT, 1750RT NXT2/3, 2100RT, 2100RT NXT2/3, 2500RT, and 2500RT NXT3 in one 440 page PDF. These machines run a range of Yanmar 4TNV98 variants and the Deutz TD3.6 L4, with serial number breaks and model specific procedures called out throughout.
The manual is organized by system: introduction, safety, specifications, controls, operation, maintenance, engine removal and installation for each model, hydraulic equipment, hydraulic system tests, electrical and control systems, troubleshooting, schematics, and torque specifications. It covers DPF regeneration, multi function display error codes, pressure testing, and full component service.
Owners, independent mechanics, and restorers can download it instantly and print any section, so the right figures for whichever RT model and engine you own are ready at the bench.
What's Inside This Manual
| System | Pages | Key Topics |
|---|---|---|
| Introduction | Safety Symbol, Manual Contents and Use, Component Identification, Vibration Information | |
| Specifications | Fluids/Lubricants Capacities, Dimensions, Payloads/Capacities, Engine Specs, Hydraulic System Specs, Track Drive | |
| Controls | Multi-Function Display Screens, Control Joysticks, Travel Speed Range Selection, Battery Disconnect Switch | |
| Operation | Pre-Start Checks, Starting the Engine, DPF Regeneration Procedures, Travel Drive Operation, Lift Arm Operation, Loading and Transporting | |
| Maintenance | Maintenance Schedule, Engine Oil Change, Air Filter Replacement, Fuel System Maintenance, Hydraulic System Maintenance, Track Replacement, ROPS/FOPS Tilting | |
| Lift Arm and ROPS/FOPS | Lift Arm Alignment Stops, Tilt Stop Adjustment, Lift Arm Removal, ROPS/FOPS Installation | |
| Model 2500RT Engine Removal/Installation | Engine Removal Procedures, Engine Installation Procedures, Disconnecting Components | |
| Models 1750RT/2100RT Tier 4 Engine Removal/Installation | Tier 4 Engine Removal, Tier 4 Engine Installation, Fuel Tank Removal | |
| 1750RT/2100RT Interim Tier 4 Engine Removal/Installation | Interim Tier 4 Engine Removal, Interim Tier 4 Engine Installation, Turbocharger Intake Tube | |
| Hydraulic Equipment | General Service Notes, Travel Drive Motors, Hydrostatic Pump Removal, Hydraulic Cylinder Disassembly | |
| Hydraulic System Tests | Hydrostatic Charge Pressure Test, Main Relief Pressure Test, Tilt/Lift Cylinder Relief Pressure Tests, Cylinder Internal Leakage Tests | |
| Electrical/Control Systems | Power Distribution, Control Module Locations, CAN System Service/Computer Connection, Lighting | |
| Troubleshooting | Engine Troubleshooting, Hydraulic System Troubleshooting, Error Codes, Drive and Valve Error Codes | |
| Schematics | Schematic Conventions, Model 2500RT Schematics, Models 1750RT/2100RT Tier 4 Schematics, Hydraulic Schematic | |
| Torque Specifications | Hydraulic Fittings Torque, Sae Torque Values |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| All Models | ||
| Hydraulic oil filter replacement interval | first 50 hours, then every 500 hours or 1 year | p. 132 |
| Hydraulic oil return filter replacement interval | first 50 hours; every 500 hours thereafter | p. 117 |
| Engine air filter replacement interval (outer element) | every 250 hours of use, or every 6 months, or whenever restriction indicator is lit | p. 123 |
| Engine air filter replacement interval (inner element) | every third time the outer element is replaced | p. 123 |
| Fuel filter replacement interval (general) | annually, or after every 500 hours of use | p. 130 |
| Track tension adjustment | Automatically adjust | p. 95 |
| Hydraulic hose replacement interval | every six years from the date of manufacture | p. 134 |
| Hydraulic fittings torque (M10X1.0, sealing washer) | 7 lb.-ft. (9 Nm) | p. 437 |
| Battery Type | Maintenance-free | p. 46 |
| Tier 4 Engines (1750RT, 2100RT, 2500RT) | ||
| Fuel filter replacement interval (Tier 4 Engines, >15 ppm sulfur fuel) | 250 hours | p. 130 |
| 1750RT | ||
| Number of track rollers (1750RT) | 3 (per side) | p. 41 |
| 2100RT, 2500RT | ||
| Number of track rollers (2100RT, 2500RT) | 4 (per side) | p. 41 |
