TM 55-2320-273-14 - Liberated Manuals.com

1 TM 55-2320-273-14 (NSN 2320-01-028-4395)TECHNICAL MANUALTRANSPORTABILITY GUIDANCETRUCK TRACTOR, LINE-HAUL, M 915, 6x4, 14-TONTRUCK TRACTOR, LINE-HAUL, M915A1, 6x4, 14-TON(NSN 2320-01-125-2640)TRUCK TRACTOR, LIGHT EQUIPMENT TRANSPORTER(LET), M916, 6x6, 14-TONTRUCK TRACTOR, MEDIUM EQUIPMENT TRANSPORTER(MET), M920, 8x6, 20-TON(NSN 2320-01-028-4397)NSN 2320-01-028-4396 HEADQUARTERS,DEPARTMENT OF THE ARMY11 AUGUST 1986 TECHNICAL MANUALNO. 55-2320-273-14 HEADQUARTERSDEPARTMENT OF THE ARMYWASHINGTON, DC, 11 August 1986 TRANSPORTABILITY GUIDANCE(TRUCKS, 14- AND 20-TON M915 FAMILY OFVEHICLES (FOV) SERIES)TRUCK TRACTOR, LINE-HAUL, M915, 6x4, 14-TON(NSN 2320-02-028-4395)TRUCK TRACTOR, LINE-HAUL, M915A1 , 6x4, 14-TON(NSN 2320-01-125-2640)TRUCK TRACTOR, LIGHT EQUIPMENT TRANSPORTER(LET), M916, 6x6, 14-TON(NSN 2320-01-028-4396)TRUCK TRACTOR, MEDIUM EQUIPMENT TRANSPORTER(MET), M920, 8x6, 14-TON(NSN 2320-01-028-4397)INTRODUCTIONP urpose and Scope.

2 Safety ..Definitions of Warnings, Cautions, and Notes ..Reporting of Recommendations and Comments ..TRANSPORTABILITY DATAGENERALS cope..Description, ..CHARACTERISTICS AND RELATEDG eneral, ..Side and Rear Elevations..Unusual Characteristics..DATA..Hazardous and Dangerous Characteristics..SAFETYG eneral ..Specific Safety Requirements ..AIR TRANSPORTABILITY GUIDANCES cope..Maximum Utilization of Aircraft ..Safety ..Responsibility ..Aircraft Capabilities ..Typical Loads ..Transport by US ArmyAircraft ..HIGHWAY AND OFFROAD TRANSPORTABILITY GUIDANCEGENERALS cope ..Safety ..SELF-PROPELLED MOVEMENTG eneral..Preparation of Trucks ..TRANSPORT OF SEMITRAILERSG eneral..M915 FOV Truck Tractor/M872 Semitrailer ..Paragraph1-11-21-31-42-12-22-32-42-52- 63-13-24-14-24-34-44-54-64-75-15-25-35-4 5-55-6 Page1-11-11-11-12-12-12-12-42-42-43-13-1 4-14-14-14-14-14-14-15-15-15-15-15-15-1i TM 55-2320-273-14 CHAPTER AND TERMINAL TRANSPORTABILITY GUIDANCES cope.

3 Safety ..General ..Barge-Carrier Ships ..Lighterage ..RAIL TRANSPORTABILITY GUIDANCEGENERALS cope ..Maximum Use of Railcar Capacity..TRANSPORT ON CONUS RAILWAYSG eneral ..Preparation for Transport ..Loading of M915 FOV on General Purpose Flatcars ..TRANSPORT ON FOREIGN RAILWAYSG eneral ..Loading of M915 FOV on Special Purpose Flatcars ..Conversion Tables ..References ..Paragraph6-16-26-36-46-57-17-27-37-47- 57-67-7..Page6-16-16-16-16-17-17-17-17-1 7-17-17-1A-1B-1iiTM 55-2320-273-14 CHAPTER 1 INTRODUCTION1-1. Purpose and Scopea. This manual provides transportability guidancefor logistical handling and movement of the M915family of vehicles (FOV) 14- and 20-ton trucks, whichinclude the M915, M916, and M920. It contains infor-mation considered appropriate for safe transport ofthe item.

4 Also included are significant technical andphysical characteristics, as well as safety considera-tions required for worldwide movement by varioustransportation modes. Where considered necessary,metric equivalents are given in parentheses followingthe dimensions or other This manual is intended for transportation of-ficers and other personnel responsible for movementor for providing transportation SafetyAppropriate precautionary measures required duringmovement are contained in chapter Definitions of Warnings, Cautions, andNotesThroughout this manual, warnings, cautions, andnotes emphasize important or critical guidance. Theyare used for the following conditions:a. Warning. Instructions that, if not followed, couldresult in injury to or death of Caution.

5 Instructions that, if not strictly ob-served, could result in damage to or destruction Note. A brief statement for use as necessary toemphasize a particular operating procedure, condition,and so Reporting of Recommendations andCommentsIndividual users of this manual are encouraged to sub-mit comments and recommendations for its improve-ment. Reports should be prepared on DA Form 2028(Recommended Changes to DA Publications and BlankForms) and forwarded to Commander, Military TrafficManagement Command Transportation EngineeringAgency, ATTN: MTT-TRC, PO Box 6276, NewportNews, VA 23606-0276. (Electrically transmitted mes-sages should be addressed to CDR MTMCTEA FTEUSTIS VA//MTT-TRC//.) A reply will be furnishedby this 55-2320-273-14 CHAPTER 2 TRANSPORTABILITY DATAS ection l.

6 GENERAL2-1. Scopeb. The M915A1 is a commercial, diesel-engine-This chapter provides a general description and identi-drive, 6x4, 1ine-haul truck tractor with a gross vehiclefication photographs of the M915 FOV 14- and 20-tonweight of 50,000 pounds. The main difference be-trucks, as well as tabulated transportability data thattween this truck and the M915 is the sliding fifthare necessary for movement of these , which can be moved 12 inches in total sliding fifth wheel is designed to reduce interfer-2-2. Descriptionence in the M915A1/semitrailer combination (fig 2-2).The 14- and 20-ton trucks covered in this manual arec. The M916 is a commercial, diesel-engine-driven,the M915, M915A1, M916, and M920. All are truck6x6, light equipment transporter with a gross vehicletractors that may vary in size and of 55,000 pounds (fig 2-3).

7 A. The M915 is a commercial, diesel-engine-driven,d. The M920 is a commercial, diesel-engine-drive,6x4, line-haul truck tractor with a gross vehicle weight6x8, medium equipment transporter with a gross vehi-of 50,000 pounds (fig 2-1).cle of 75,000 pounds (fig 2-4).Section Il. CHARACTERISTICS AND RELATED DATA2-3. GeneralNOTEThe following data on the trucks are applicable to theAll measurements are in number or national stock number (NSN) M915 Truck Tractor, 50,000 GVWR, are based on empty trucks unless otherwiseNational stock number , .. item number .. T61103 Figure truck tractor, line-haul, 14-ton, 55-2320-273-14 Figure 2-2. M915A1 truck tractor, line-haul, 2-3. M916 truck tractor, 20-ton, 55-2320-273-14 Figure 2-4. M920 truck tractor, 20-ton, :Maximum speed.

8 55 mph (90 km)Maximum range..280 mi (448 km)Fuel type .. DieselFuel tank capacity.. ll0 gal (4161)Turning radius .. ft ( m)Angle of approach ..38 Ground clearance .. in. ( )Dimensions and shipping data:Length .. in. ( m)Width .. in. ( m)Height, operational .. in. ( m)Reduced .. in. ( m)Curb weight .. 18,621 lb(8446 kg)Center of gravityLongitudinally (forward ofcenter of trunnion) ..85 in. ( m)Vertically (above center oftrunnion) .. in. ( m)Laterally (left of centerlineof vehicle) .. ( m)b. M915A1 Truck Tract or, Line-Haul, stock number ..2320-01-125-2640 Performance:Maximum speed ..57 mph ( km/h)Maximum range.. 280 mi (448 km)Fuel tank capacity.. 112 gal (424 1)Turning radius .. ft ( m)Angle of approach ..38 Ground clearance.

9 In. ( m)Dimensions and shipping data:Length ..262 in. ( m)Width ..96 in. ( m)Height, operational .. 142 in. ( m)Reduced, ..134 in. ( m)Curb weight .. lb (8945 kg)Center of gravity:Longitudinally (forward of center-line of trunnion .. in. ( m)Vertically (above centerline oftrunnion).. in. ( m)Laterally (left centerline ofvehicle) .. in. ( m)c. M916 TruckTractor,Light EquipmentTransporter (LET), 55,000 G VWR, 6x6, With stock number ..2320-01-028-4396 Performance:Maximum speed ..59 mph ( km/h)Maximum range..280 mi (448 km)Fuel tank capacity ..110 gal (4161)Turning radius .. ft ( m)Angle of approach ..42 Ground clearance.. in. ( m)Dimensions and shipping data:Length .. in. ( m)Width .. in. ( m)Height, operational.. in.)

10 ( m)Reduced .. in. ( m)Weight ..56,000 1b (25 402 kg)Center of gravity:2-3TM 55-2320-273-14 Longitudinally (forward ofcenter of trunnion)..Vertically (above center oftrunnion) ..Laterally (left of centerlineof vehicle) .. in. ( m) in. ( m) in. ( m)d. M920 Truck Tractor,Medium EquipmentTransporter (MET), ,000 GVWR, 826, With stock number .. 2320-01-028-4397 Performance:Maximum speed..59 mph ( km)Maximum range..280 mi (448 km)Fuel type .. DieselFuel tank capacity .. 110 gal (4161)Turning radius .. ft ( m)Angle of approach ..42 Ground clearance.. in. ( m)Dimensions and shipping data:Length .. ( m)Width .. in. ( m)Height, operational.. in. ( m)Reduced (no load) .. 128 in. ( m)Weight ..24,971 lb (11 327kg)Center of gravity:Longitudinally (forward of center-line of bogie axle).