M939 Series 5-Ton 6×6 Trucks Direct Support and General Support Repair Parts Manual TM 9-2320-272-34P-2 Volume 2
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Official Direct Support and General Support Maintenance Repair Parts and Special Tools List (including depot maintenance repair parts) for M939 and M939A1 Series 5-ton 6×6 tactical trucks. Covers wrecker body and crane, expansible van bodies, winches, hoists, power takeoffs, accessories, and special purpose kits in complete exploded-view detail.
Description
M939 Series 5-Ton 6×6 Trucks Direct Support and General Support Repair Parts Manual TM 9-2320-272-34P-2 Volume 2
The M939 Series 5-Ton 6×6 Trucks Direct Support and General Support Repair Parts Manual TM 9-2320-272-34P-2 Volume 2 is the definitive military technical parts catalog covering intermediate and depot-level maintenance parts breakdown for the United States military M939 and M939A1 family of 5-ton tactical trucks. This volume provides technicians, fleet maintainers, and vehicle restorers with complete exploded-view diagrams, part numbers, National Stock Numbers (NSN), Commercial and Government Entity (FSCM/CAGE) codes, and Usable On Codes (UOC) across complex specialized body, winch, hydraulic hoist, crane, and mission kit assemblies.
File Details
- Manual Type: Direct Support and General Support Maintenance Repair Parts and Special Tools List (RPSTL) (Including Depot Maintenance Repair Parts)
- Document Numbers: Army TM 9-2320-272-34P-2 / Air Force TO 36A12-1C-454-2
- Publication Date: 20 January 1988 (Current as of 1 June 1987)
- Issuing Authority: Headquarters, Departments of the Army and the Air Force
- Volume: Volume 2 of 2
- File Format: Portable Document Format (PDF)
- Language: English
- Vehicles Covered:
M923, M923A1, M924, M924A1, M925, M925A1, M926, M926A1, M927, M927A1, M928, M928A1, M929, M929A1, M930, M930A1, M931, M931A1, M932, M932A1, M934, M934A1, M935, M935A1, M936, M936A1, M941, M941A1, M945, and M945A1
Chapters Covered
- Group 18 — Body, Cab, and Hood (Group 1812: Special Purpose Bodies)
- Wrecker Crane and Body Assembly, Mounting Hardware, Floor Plates, Covers, Steps, and Splash Guards
- Wrecker Outrigger Jack Assembly, Leveling Jacks, Beam Sockets, and Brackets
- Expansible Van Body Assembly, Mounting Hardware, Underframe, and Splash Guards
- Expansible Van Retractable Beams, Ratchet Shaft, Rollers, and Counterbalance Assemblies
- Expansible Van Hinged End Panels, Side Assemblies, Interior Panels, Doors, and Latches
- Expansible Van Window Sash, Retractable Sash, Blackout Panels, and Ceiling Structures
- Expansible Van Air Conditioning Ducting, Deflectors, Transition Assemblies, and Registers
- Expansible Van Environmental Controls, Space Heater, Fuel Pump, Lines, and Exhaust
- Expansible Van Wiring Harnesses (Main, Blackout, Clearance, Emergency, AC, Heater, 400 Hz Converter, and Liftgate)
- Expansible Van Load Center, Junction Boxes, Receptacles, Circuit Breakers, and Switches
IMAGES PREVIEW
- Group 20 — Hoist, Winch, and Power Takeoff (Group 2001 & 2004)
- Front Winch Controls, Control Levers, Brackets, and Wire Rope Assembly
- Front Winch Hydraulic Pump, Linear Control Valve, Filter, and Hydraulic Reservoir Assemblies
- Front Winch Propeller Drive Shaft, Universal Joints, and Slip Yokes
- Front Winch Hydraulic Drive Motor, Winch Basic Drum, Wormshaft, and Gearcase Assemblies
- Wrecker Front and Rear Winch Assemblies, Cable Tensioners, Sheaves, and Trolleys
- Wrecker Hydraulic Reservoir Tank, High-Pressure Filter, Lines, Fittings, and Snubber Valves
- Wrecker Crane Hoist Winch, Gearcase, Boom Elevating Cylinder, and Extension Cylinders
- Wrecker Boom Assembly, Middle/Inner Extensions, Outer Boom Section, and Sheave Assemblies
- Wrecker Crane Gondola Assembly, Hoist Control Valve, and Hydraulic Swivel Assembly
- Wrecker Turntable Assembly, Bull Gear, Bearing Support, and Turntable Guards
- Dump Truck Hydraulic Hoist Assembly, Safety Latch, Control Pump, Valve, and Linkage
- Expansible Van Hydraulic Liftgate Platform, Linkage, Frame, Hydraulic Cylinders, and Pump Motor
- Power Takeoff Controls, Shift Linkages, Transfer Case PTO, and Transmission PTO Assemblies
- Group 22 — Body, Chassis, and Accessory Items (Groups 2201, 2202, 2207, 2210)
- Wrecker Gondola Canopy and Operator Seat Assemblies
- Cargo Body Bows, Stakes, Soft Top, Post Assemblies, and Tarpaulin Extension Kits
- Windshield Wiper Systems, Pneumatic Lines, Motors, Arms, Blades, and Washer Reservoirs
- Rearview Mirrors, Reflectors, Hot Water Personnel Heaters, Diverters, and Cab Ducts
- Complete Vehicle Data Plates (Instrument Panel, Engine, Transmission, Transfer, Winches, Cab, Van, and Bodies)
- Group 33 — Special Purpose Kits (Groups 3301, 3303, 3305, 3307)
- Major Component Shipping and Storage Containers (Engine, Transmission, and Transfer Case)
- Winterization Equipment: Radiator and Hood Covers, Hardtop Kits, and Engine Coolant Heaters
- Swingfire Engine Heater Kits, Mounting Hardware, Fuel-Burning Personnel Heaters, and Control Boxes
- Deep Water Fording Kits, Fording Valves, Lines, Air Hoses, and Sealing Covers
- Armament and Tactical Mounts: Pioneer Tool Brackets, Rifle Mounts, and Machine Gun Mounts/Adapters
- Electrical and Brake Upgrades: 60-to-100 Amp Alternators, Air Brake Kits, Convoy Warning Lights, and European Lighting Kits
- Special Mission Additions: Chemical Agent Alarm Mounting Kits, A-Frame Kits, Troop Seats, and Seat Belts
- Group 47 — Gages and Measuring Devices (Groups 4701, 4702)
- Speedometer Drive Adapters, Flexible Cables, and Speedometer Gage Assemblies
- Tachometer Drive Cables and Engine Tachometer Gage Assemblies
- Primary and Secondary Dual Air Pressure Gages and Pneumatic Indicators
- Section III & IV — Kits, Standardized Parts, Special Tools, and Indexes
- Group 94: Service Repair Kits and Overhaul Gasket Sets
- Group 95: Bulk Standardized Materials, Packings, and Seal Strips
- Group 2604: Peculiar End Item Special Tools and Maintenance Fixtures
- Cross-Reference Indexes: National Stock Number (NSN) to Figure/Item Index and Part Number to Figure/Item Index
Together, this technical manual provides intermediate direct support, general support, and depot maintenance personnel with the exhaustive structural breakdowns required to rebuild, repair, and procure components for every major non-powertrain subsystem on the M939 series chassis. Rather than generic descriptions, each section presents detailed engineering line art keyed to structured parts tables identifying the official part number, military stock number, assembly hierarchy, and exact vehicle model applicability.
Wrecker Body, Crane, and Recovery Hydraulics
Technicians maintaining the M936 and M936A1 Medium Wrecker trucks will find complete technical coverage for the Austin-Western hydraulic recovery crane and outrigger systems in this manual. The text illustrates the wrecker body understructure, walking beam outrigger jacks, leveling screws, and support brackets in Figure 309 through Figure 316. Internal hydraulic breakdowns cover the massive boom elevating cylinder (Figure 399) and inner boom extension cylinder (Figure 405), detailing piston heads, seals, compression cups, and internal packings. Complete parts listings are provided for the crane turntable gear bearing assembly, hydraulic continuous swivel, operator gondola control console, four-spool hoist control valves, hydraulic winch drive motors, reduction gearcases, and dual vertical/horizontal rear recovery winch roller assemblies.
Expansible Van Body Mechanisms and Environmental Systems
For the M934, M934A1, M935, and M935A1 expansible van variants, this manual catalogs the entire expandable shelter infrastructure. Technicians have access to fully documented figures covering the structural underframe, retractable sliding beams, roller shafts, rack-and-pinion extension mechanisms, torsion counterbalance linkages, and hinged floor and roof panels. Complete assemblies are detailed for side wall panels, double rear door latches, blackout window sash regulators, and exterior bonnet assemblies housing the air conditioner and fuel-burning space heater. Detailed electrical schematics and wire routing figures itemize the van 28V DC blackout harness, 120V/208V AC utility power center, 400 Hz frequency converter wiring, circuit breaker distribution boxes, and interior fluorescent lighting fixtures.
Front Winch, Power Takeoff, and Dump Hoist Breakdown
Comprehensive parts coverage is provided for the 20,000-pound front winch installed on winched models such as the M925, M926, M928, M930, M932, and M936. Figures 371 through 388 specify every component of the front winch system: Vickers hydraulic drive pump, linear spool control valves, oil filter and fluid reservoirs, propeller drive shaft with needle bearing universal joints, hydraulic drive motor, reduction worm shaft, positive jaw clutch, brake bands, and winch drum. Additionally, this manual details the heavy twin-cylinder dump body hoist mechanism and control valves for the M929 and M929A1 dump trucks, the electric-hydraulic liftgate on the M935 van, and transmission-mounted and transfer case-mounted power takeoff (PTO) assemblies with cab shift controls.
Tactical Mission Kits and Vehicle Accessories
The M939 Series 5-Ton Trucks Parts Catalog TM 9-2320-272-34P-2 Volume 2 documents all factory and depot accessory packages, including deep-water fording exhaust and intake valves, cold-weather arctic winterization shrouds, Swingfire engine heaters, cab hardtops, pioneer tool brackets, machine gun ring mounts, troop seating, and convoy safety lighting. By providing exact part numbers and NSN listings, maintainers can immediately cross-reference damaged or worn pieces to secure genuine military specification replacements.
Comprehensive Maintenance Capability & Delivery
Having the complete M939 Series 5-Ton 6×6 Trucks Direct Support and General Support Repair Parts Manual TM 9-2320-272-34P-2 Volume 2 on hand eliminates guesswork when ordering parts, reassembling complex linkages, or validating hardware sizes. Whether you are rebuilding a wrecker crane gearcase, replacing expansible van weatherstripping, servicing a front recovery winch, or installing tactical fording kits, this manual provides the authoritative exploded views and part numbers needed to finish the job correctly. Available as an instant PDF download, this digital technical order requires no shipping wait, can be viewed on any computer, tablet, or smartphone, and allows you to print high-resolution individual diagram pages directly in your shop.
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