JLG G12-55A Service Manual - Manual (Page 27)

2-15 G10-55A, G12-55A
General Information and Specifications
2.4.4 Electrical System Engine Performance
2.4.5 Engine Specifications
2.4.6 Tires
Note: Standard wheel lug nut torque is 350-400 lb-ft (475-542 Nm).
Note: Pressure for foam filled tires are for initial fill ONLY.
Battery
Type, Rating 12 BCI, Negative (-) Ground, Maintenance Free
Quantity 2
Reserve Capacity Minutes @ 25 Amps 180
Cold Cranking Amps @ 0° F (-18° C) 700
Cranking Amps @ 32° F (-18° C) 840
Group/Series Group 31
Alternator 12V, 100 Amps
Description G10-55A & G12-55A
Engine Make/Model Cummins QSB 4.5L
Displacement 276 in³ (4,5 liters)
Low Idle 900 rpm
High Idle 2,500 to 2,700 rpm
Horsepower 130 HP (97 kW) @ 2500 rpm
Peak Torque 457 lb-ft (620 Nm) @ 1500 rpm
Fuel Delivery Fuel Injection
Air Cleaner Dry Type, Replaceable Primary and Safety Elements
Size Tire Type Minimum Ply/
Star Rating
Fill Type Pressure
14.00 x 24 G-2/L-2 Bias Ply Traction 12 Ply
Pneumatic 65 psi (4,5 bar)
Foam - Approx 720 lb (327 kg) 62 psi (4,3 bar)
17.50 x 25 G-2/L-2 Bias Ply Traction 12 Ply
Pneumatic 65 psi (4,5 bar)
Foam - Approx 785 lb (356 kg) 51 psi (3,5 bar)
400/75-28 Duraforce 16 Ply
Pneumatic 76 psi (5,2 bar)
Foam - Approx 570 lb (259 kg) 73 psi (5,0 bar)