HMMWV M998 Series Repair Parts and Special Tools List TM 9-2320-280-24P-1 Volume 1 – PDF Download

Description

The HMMWV M998 Series Repair Parts and Special Tools List TM 9-2320-280-24P-1 Volume 1 is the comprehensive military repair parts and special tools list (RPSTL) covering the 1-1/4 ton, 4×4 M998 series vehicles. This 1,146-page Volume 1 manual, updated through Change 1 dated 15 July 2004, provides unit, direct support, and general support maintenance personnel with the complete parts identification, special tools, and cross-reference information needed to maintain and repair the HMMWV fleet. Whether you are sourcing replacement components for the 6.2L or 6.5L diesel engine, tracking down a specific National Stock Number, or identifying the correct part for a transmission overhaul, this RPSTL delivers the authoritative parts data you need.

File Details

• Manual Type: Repair Parts and Special Tools List (RPSTL)
• Document Number: TM 9-2320-280-24P-1
• Change: Change 1
• Date: 30 March 2001 (Change 1: 15 July 2004)
• Volume: 1 of 2
• Page Count: 1,146 pages
• File Format: PDF
• Language: English

Chapters Covered

• Group 01 — Engine: Engine and container assembly, engine mounting brackets, oil dipstick and tube, oil pan and pump, oil cooler lines, oil filter and adapter, crankcase depression regulator valve, air intake and exhaust manifolds
• Group 03 — Fuel System: Fuel pump, fuel injection pump, fuel filter lines, air cleaner, fuel tank supply and return lines, fuel tank assembly, fuel filler pipe, fuel tank vent line, fuel filter/water separator, glow plug, accelerator controls
• Group 04 — Exhaust System: Muffler, exhaust pipes, exhaust manifold heat shield
• Group 05 — Cooling System: Radiator, surge tank, radiator shroud, radiator hoses, thermostat and water crossover, water pump, fan assemblies and belts, tensioner and idler pulley
• Group 06 — Electrical System: Generator and alternator assemblies (60, 100, 200 AMP), starter motor, instrument panel and cluster, directional control unit, transmission control module, stoplight switch, control box assemblies, air conditioner and heater controls, lights (front/rear composite, blackout, headlight, clearance marker, backup), sending units, horn, batteries and cables, wiring harnesses
• Group 07 — Transmission: Transmission and transfer control, shift controls, torque converter, transmission assembly, direct clutch, forward clutch, intermediate clutch, overrun/overdrive/fourth clutch, front and rear servo, governor, control valve, oil pump, vent and cooling lines
• Group 08 — Transfer Assembly: Transfer case assembly, gear shift and vacuum booster controls, lubrication and cooling components
• Group 09 — Propeller Shafts: Front and rear propeller shaft assemblies
• Group 10 — Front Axle: Front axle differential, mounting brackets, halfshaft assemblies, knuckle and geared hub, control arms and ball joints
• Group 11 — Rear Axle: Rear axle differential, mounting brackets, halfshaft assemblies, knuckle and geared hub, control arms and ball joints
• Group 12 — Brakes: Parking brake hand lever and cables, parking brake caliper and rotor, service brake caliper and rotor, front and rear brake lines, proportioning valve, master cylinder, hydro-booster, service brake pedal
• Group 13 — Wheels: Wheel and runflat assembly, tires
• Group 14 — Steering: Steering column and wheel, intermediate shaft, steering linkage, power steering gear, power steering pump and pulley, hydraulic lines and fittings
• Group 15 — Frame and Towing Attachments: Frame assembly, body mount brackets, transmission crossmember, air lift brackets, suspension crossmembers, front and rear bumpers, lifting shackles, towing pintle assembly
• Group 16 — Springs and Shock Absorbers: Front and rear springs, shock absorbers, stabilizer bar and connecting links, rear radius rods
• Group 18 — Body and Hood: Body mounting components, body assembly components, body insulation and cowl, hood assembly, grilles, splash shields, rear doors, engine access cover, cargo bulkhead, seats and seatbelts, stowage racks and trays, armor panels, cargo shell door, weapon station components
• Group 20 — Hoist, Winch, Capstan, Windlass: Winch assembly, mounting hardware, winch control and storage box
• Group 22 — Body, Chassis, and Accessory Items: Soft top enclosures (two-man, four-man, troop area, cargo area, ambulance), windshield wiper motor and assembly, washer bottle, rearview mirrors, reflectors, heater and defroster ducting, antenna mounts, data plates
• Group 33 — Special Purpose Kits: Arctic kit, deep water fording kit, winterization kit, troop seat kit, communications kits, weapon mounting kits, 9,000 lb winch kit, 10,500 lb hydraulic winch kit, 400 AMP alternator kit, and many more
• Group 47 — Gauges: Speedometer, air restriction indicator
• Group 52 — Air Conditioning and Heating: Air conditioner compressor, lines and fittings, condenser, evaporator, blower motor
• Group 94 — Kits: Repair parts kits
• Group 95 — Bulk Material: Bulk materials
• Section III — Special Tools List: Special tools for drive belts and transmission, transfer case, axle differential, geared hub and steering, steering pump, air conditioner compressor, and pinion setting kit
• Section IV — Cross-Reference Indexes: National Stock Number Index and Part Number Index

This RPSTL is organized into functional groups in ascending alphanumeric sequence, with parts in each group listed in ascending figure and item number sequence. Each parts list entry includes the item number, SMR code, National Stock Number, CAGE code, part number, description with usable on codes, and quantity. The manual also includes a comprehensive National Stock Number Index and Part Number Index cross-referencing every item to its illustration figure and item number, making it possible to locate a part by NSN or part number and immediately find the figure and item where it appears.

The HMMWV M998 Series Repair Parts and Special Tools List TM 9-2320-280-24P-1 Volume 1 covers the following models: M998, M998A1, M1038, M1038A1, M1097, M1097A1, M1097A2, M1123, M966, M966A1, M1121, M1045, M1045A1, M1045A2, M1046, M1046A1, M1025, M1025A1, M1025A2, M1026, M1026A1, M1043, M1043A1, M1043A2, M1044, M1044A1, M1037, M1042, M996, M996A1, M997, M997A1, M997A2, M1035, M1035A1, and M1035A2. Engine coverage includes both the 6.2 Liter and 6.5 Liter diesel engines, with model year distinctions from 1990 and above noted throughout. Certain parts are specific to serial number ranges: components for vehicles with serial number 196900 and below, and 196901 and above, are clearly identified in the parts lists.

What This Manual Enables You to Do

This RPSTL is not a repair procedure manual — it is the parts identification and special tools reference that tells you exactly which component, fastener, seal, gasket, or assembly is correct for your specific HMMWV variant. With it, you can:

• Identify the correct repair parts for any system on the M998 series vehicles using National Stock Numbers, part numbers, or the illustrated figures
• Cross-reference between NSN, manufacturer part number, CAGE code, and figure/item number to verify you are ordering the right component
• Look up special tools required for transmission, transfer case, axle differential, geared hub, steering, and air conditioner compressor service
• Distinguish between parts for the 6.2L and 6.5L engines, and between early and late serial number ranges
• Find the correct components for ambulance variants (M996, M996A1, M997, M997A1, M997A2, M1035, M1035A1, M1035A2), armament carriers (M1025, M1026, M1043, M1044), TOW carriers (M966, M1045, M1046, M1121), shelter carriers (M1037, M1042), and heavy variants (M1097, M1097A1, M1097A2, M1123)
• Order parts with confidence knowing you have the exact item number and quantity required for your repair

Why Proper Parts Identification Matters

The HMMWV M998 series spans numerous variants, model years, and serial number ranges, and many components are not interchangeable across these configurations. The 6.2L and 6.5L diesel engines share some parts but differ significantly in others. Early and late serial number ranges have different brackets, pulleys, alternators, and mounting hardware. Ambulance, armament carrier, shelter carrier, and TOW carrier variants each have unique body, electrical, and stowage components. Using the wrong part can lead to fitment issues, premature failure, or unsafe operating conditions. This RPSTL eliminates guesswork by providing the exact National Stock Number, part number, and figure reference for every component, along with the SMR code that tells you the maintenance level authorized to install, repair, or condemn the item.

Get Your PDF Copy Today

This HMMWV M998 Series Repair Parts and Special Tools List TM 9-2320-280-24P-1 Volume 1 is delivered as an instant PDF download — no shipping, no waiting, no physical media. The 1,146-page manual is fully printable and can be viewed on any device, whether you are working in the shop, at the motor pool, or in the field. Keep it on your phone, tablet, or laptop for quick reference during maintenance operations, or print the specific figure and parts list pages you need for a job. With instant access after payment, you can start identifying the correct parts for your HMMWV immediately. Don’t waste time and money ordering the wrong components — get the authoritative parts reference and get your vehicle back in service.