| TM Number | Title | Purpose | | :--- | :--- | :--- | | TM 9-2320-365-10 | Operator’s Manual | Pre-start checks, driving, emergency procedures. | | TM 9-2320-365-20 | Unit Maintenance (Preventive) | Services, adjustments, and troubleshooting by line mechanics. | | TM 9-2320-365-20P | Unit Maintenance Repair Parts | Exploded diagrams and part numbers for common repairs. | | TM 9-2320-365-34 | Direct Support Maintenance | Engine swaps, transmission overhauls, major electrical. | | TM 9-2320-365-34P | DS Maintenance Parts | Specialized parts for deep repairs. |
Key Insight for Owners of Older Trucks: If you own a pre-2010 Stewart & Stevenson FMTV (A0 or A1 series), the TM 9-2320-365-10 (with change 5 or 6) is your bible. For newer Oshkosh A1P2 or A2 variants, ensure you have the updated manuals, as the Central Tire Inflation System (CTIS) and ABS logic changed significantly. Fmtv Technical Manual
| Volume | Type | Purpose | |--------|------|---------| | -10 | Operator’s Manual | Daily operation, PMCS, emergency procedures | | -20 | Unit Maintenance | Field-level repairs, troubleshooting, component replacement | | -30 (or -34) | Direct Support (DS) / General Support (GS) | Advanced diagnostics, overhaul procedures | | -34P | Repair Parts & Special Tools List (RPSTL) | Exploded diagrams, NSNs, part numbers | Transmission Rebuild
If you have a .mil email or CAC card, the official ETM (Electronic Technical Manuals) system is the gold standard. For civilians, access is restricted, but often your local National Guard maintenance unit can provide copies of legacy manuals. Transfer Case (M1083 variants)