TM 9-2320-279-10-1 1-30 Change 8 Equipment Differences and Technical Data (Cont) 1-12. EQUIPMENT DATA (CONT). Table 1-2. Equipment Data (Cont) Model Item STEERING SYSTEM ALL Type: Dual gear with integrated hydraulic power assist FIFTH WHEEL ALL Type: Full (4-way) oscillating, w/kingpin lock Kingpin Size: M983 w/crane 2 in. (51 mm) M983 w/o crane 3.5 in. (89 mm) PINTLE ALL Type: Manual Release ALL (except M984A1) Maximum Load Capacity - Pulling: 30,000 lb (13 607.8 kg) (In Off Road Application) ALL (except M984A1) Maximum Load Capacity - Vertical: 1,700 lb (771.1 kg) M984A1 Maximum Load Capacity - Pulling: 100,000 lb (45 400 kg) M984A1 Maximum Load Capacity - Vertical: 20,00 lb (9 080 kg) PINTLE/COUPLER M1977-CBT Type: Self-guiding, automatically locking M1977-CBT Maximum Gross Trailer Weight: 100,000 lb (45 400 kg) M1977-CBT Maximum Load Capacity - Vertical: 20,000 lb (9 080 kg) TOWING EYES ALL Quantity: 4 (2 front, 2 rear) ALL Maximum Load Capacity Each: 60,000 lb (27 240 kg) CAB ALL Windshield: Tinted, 2 piece, safety glass ALL Personnel Capacity: 2 MATERIAL HANDLING CRANES M977 Make: Grove M977 Model: MHC977 M977 Maximum Capacity at Boom Length of 19 ft (5.8 m): 2500 lb (1 135 kg) M983 w/crane Make: Hiab M983 w/crane Model: 8001 M983 w/crane Maximum Capacity of Boom Length of 10 ft (3.1 m): 14,620 lb (6 637 kg) M984A1 Make: Grove M984A1 Model: MHC984 M984A1 Maximum Capacity of Boom Length of 18.2 ft (5.5 m): 6000 lb (2 722 kg)