OM5010 10/97 Specifications - Section 5 Page 5-3 SPECIFICATIONS ENGINE SERVICE CAPACITIES Komatsu . . . . . . . . . . . . . . . . . . . . . . SA12V140Z-1 . . . . . . . . . . . . . . . . . . . .Liters . . . . . . U.S. Gallons Number of Cylinders . . . . . . . . . . . . . . . . . . . . . . . 12 Operating Cycle. . . . . . . . . . . . . . . . . . . . . . 4-Stroke Engine . . . . . . . . . . . . . . 147 . . . . . . . . . . . . . . (39) (Includes Lube Oil Filters) Rated 783 kW (1050 SAE Brake HP) @ 2000 RPM Cooling System . . . . . . . 256 . . . . . . . . . . . . . . (66) Flywheel . . . 753 kW ( 1010 SAE HP) @ 2000 RPM Fuel Tank . . . . . . . . . . . . 1250 . . . . . . . . . . . . (330) Max.
Torque. . . 4631 N.m (3415 lb-ft) @ 1400 RPM Transmission . . . . . . . . . 125 . . . . . . . . . . . . . . (33) And Torque Converter Steering & Hoist System 248 . . . . . . . . . . . . (65.5) Tank Only . . . . . . . . . . .145 . . . . . . . . . . . . . (38.3) TORQFLOW TRANSMISSION Automatic Electronic Shift Control . . . . . with Automatic Clutch Modulation In All Gears. Brake Cooling System . . 366 . . . . . . . . . . . . . (96.6) Tank Only . . . . . . . . . . .248 . . . . . . . . . . . . . (65.5) Lockup Clutch . . . . . . . . . . . . . . . Wet, Double-disc, . . . . . . . . . . . . . . . . . . . . . . Activated in F1-F7 gears. Final Drive Case . . . . . . .250 . . . . . . . . . . . . . .
(66) (Differential & both planetaries) Torque Converter. . . . . . . . 3-Element, Single-stage, . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Two-phase HYDRAULIC SYSTEM Transmission . . Planetary Gear, Multiple Disc Clutch, . . . . . . . . . . Hydraulically Actuated, Force-lubricated Speeds. . . . . . . . . . . . . . . . 7 Forward, 1 Reverse The steering/hoisting and retarder cooling circuits are independent circuits. Load sensing steering system controls the flow to the steering circuit in accordance with demand. Max Travel Speed . . . . . . . . . 61.9 Km/h (38.5 MPH) Hydraulic Pumps . . . . . . . .
2-Separate Gear Pumps Steering/Hoist Functions - Flow rated at 2000 RPM . . . . . . . . . . . . . . . . . 636 l/min. (168 U.S. gal/min.) FINAL DRIVE ASSEMBLY Final Drive . . . . . . . . . . . . . . . . . Plug-in Differential . . . . . . . . . . . . . . . . . . . . .with Planetary Wheel Drive Retarder Cooling - Flow rated at 2000 RPM . . . . . . . . . . . . . . . . 1001 l/min. (264 U.S. gal/min.) Hoist Control Valve. . . . . . . . . . . . . . . . . Spool Type Positions. . . . . . . . Raise, Hold, Float, and Lower Reduction Ratios: Bevel Set . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.47:1 Planetary Final Drive . . . . . . . . . . . . . . . . . . 6.50:1 Total Reduction. . . . . . .
. . . . . . . . . . . . . . . 22.54:1 Hydraulic Cylinders Hoisting . . . . . . . . . . 2-Stage Telescoping Piston Steering . . . . . . . . . . . . . . . Double Acting Piston Relief Valve Setting . . . . . . . 210 kg/cm 2 (3,000 psi) ELECTRIC SYSTEM SERVICE BRAKES Batteries (series/parallel). . . . 4 x 12V / 200 Amp Hr. . . . . . . . . . . . . . . . . . . . . . 1450 Cold Cranking Amps Actuation: . . . . . . . . . . . . . . . . . . Air-Over-Hydraulic Front. . . . . . . . . . . . . . . . . . . . Caliper Disc Brakes Rear . . . . . . . . . . . . . . . . Oil-Cooled, Multiple-Disc . . . . . . . . . Act as both Service and Retarder Brakes Alternator. . . . . . . . . . . .
24 Volt, 75 Ampere Output Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Volt Starter . . . . . . . . . . . . . . . . . . . . . (1) 24 Volt Electric Retarder Brakes: Normally Applied . . . . . . . . . Manually By Operator. Automatically Actuated. . . . . . . . . . . . . . . . . . . . . . . . when engine speed exceeds the rated revolutions of the shift position for the transmission. AIR SYSTEM Compressor . . . .0.85 m 3 /min . . . . . . . . . . (30 cfm) (Service Brakes - continued on next page)