STANDARD EQUIPMENT FOR BASE MACHINE ● ● ● ● ● ● ● ● ● ● ● Air cleaner, double element with dust indicator ● Alternator, 60 ampere ● Backup alarm ● Batteries, 2 x 12V 170 Ah ● Blower cooling fan ● Color monitor ● Decelerator pedal ● Electric priming pump ● Fenders ● Horn, warning Hydraulics for dozer Lighting system (includes 2 front, 1 rear) Muffler with rain cap Open ROPS Palm lever steering control Radiator with reserve tank Rear cover Starting motor, 11kW/24V Suspension seat Track roller guard, end sections ● Track shoe assembly – Sealed and lubricated track ● Underguards, oil pan and transmission ● 560 mm 22" single grouser shoe OPERATING WEIGHT 41700 kg 91,930 lb BLADE CAPACITY OPTIONAL EQUIPMENT Variable multi-shank ripper ● Additional weight (including hydraulic control unit): 3760 kg 8,290 lb ● Beam length: 2320 mm 7'7" ● Hydraulically-controlled parallelogram-type ripper with three shanks. Digging angle infinitely adjustable. Standard digging angle: 45° ● Maximum digging depth: 900 mm 2'11" ● Maximum lift above ground: 950 mm 3'1" Variable giant ripper ● Additional weight (including hydraulic control unit): 3380 kg 7,450 lb ● Beam length: 1410 mm 4'8" ● Hydraulically-controlled parallelogram-type ripper with one shank. Digging angle infinitely adjustable. Standard digging angle: 45° ● Maximum digging depth: 1370 mm 4'6" ● Maximum lift above ground: 945 mm 3'1" Shoes Shoes (optional) Additional weight Ground contact area 560 mm 22" extreme service shoes 610 mm 24" extreme service shoes 660 mm 26" extreme service shoes CRAWLER DOZER ROPS cab ● Additional weight: 430 kg 948 lb ● All-weather, enclosed pressurized cab ● Dimensions: —Length: 1735 mm 5'8" —Width: 1755 mm 5'9" —Height from floor: 1635 mm 5'4" ● Meets ISO 3471, SAE J/ISO 3471 ROPS standards, and ISO 3449 FOPS standard. Other ● Air conditioner ● Cab heater and defroster ● Engine side cover ● Large pre-cleaner ● Locks, filler caps and covers ● Rear view monitoring system ● Rigid drawbar ● Tool kit SIGMADOZER Overall length with dozer SIGMADOZER Strengthened SIGMADOZER Blade capacity Blade length x height Maximum lift Maximum drop Maximum tilt above ground below ground adjustment 1320 mm 4'4" 1320 mm 4'4" Printed in Japan 200905 IP.SIN.AD (10) Photo may include optional equipment. Materials and specifications are subject to change without notice is a trademark of Komatsu Ltd. Japan

WALK-AROUND Large blade capacity: 9.4 m3 12.3 yd3 (Semi-U dozer) and 11.9 m3 15.6 yd3 (U dozer) See page 4. PCCS (Palm Command Control System) ● Electronic controlled PCCS travel control ● Hydraulic controlled PCCS blade/ripper control ● Fuel control dial ● Automatic/manual gearshift selectable mode ● Gearshift pattern preset function ● ECMV (Electronic Controlled Modulation Valve) controlled transmission See page 6. SAA6D140E-5 turbocharged aftercooled diesel engine provides an output of New integrated ROPS cab includes: ● Large quiet operator environment ● Comfortable ride with new cab damper...

CRAWLER DOZER PRODUCTIVITY FEATURES Automatic transmission with torque converter Greater power train efficiency is achieved by the new automatic gearshift transmission. The automatic gearshift transmission selects the optimal gear range depending on the working conditions and load placed on the machine. This means the Engine Fuel-efficient electronic controlled engine Hydraulic driven engine cooling fan The Komatsu SAA6D140E-5 engine delivers 264 kW 354 Fan rotation is automatically controlled depending on coolant HP at 1900 rpm. The fuel-efficient, powerful Komatsu engine and hydraulic oil temperature,...

CRAWLER DOZER CONTROL FEATURES WORKING ENVIRONMENT Human-Machine Interface PCCS (Palm Command Control System) Komatsu’s ergonomically designed control system “PCCS” creates an operating environment with “complete operator control” . Palm command electronic controlled travel control joystick F posture and superb fine control. R Transmission gear shifting is DOWN SHIFT simplified with thumb push buttons. Gearshift pattern preset function The D155A-6’s cab mount uses a cab damper which and superb sealing performance sharply reduce noise and provides excellent shock and vibration absorption capacity...

CRAWLER DOZER MAINTENANCE FEATURES Preventative maintenance Measures against poor quality fuel Dust-proof measures In order to help protect the engine against dust and water Large fresh air pre-cleaner is also provided as optional Preventative maintenance is the only way to ensure long service life from your equipment. That’s why Komatsu designed the contained in the fuel, the machine is equipped with an equipment. The hydraulic tank and the fuel tank are D155A-6 with conveniently located maintenance points to make necessary inspections and maintenance quick and easy. additional main fuel filter...

STEERING SYSTEM Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Komatsu SAA6D140E-5 Type. . . . . . . . . . . . . . . . . . . . . 4-cycle, water-cooled, direct injection Aspiration . . . . . . . . . . . . . . . . . . Turbocharged, air-to-air aftercooled Number of cylinders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Bore x stroke . . . . . . . . . . . . . . . . . 140 mm x 165 mm 5.51" x 6.50" Piston displacement. . . . . . . . . . . . . . . . . . . . . . . . . 15.24 ltr 930 in3 Governor . . . . . . . . . . . . . . . . . . All-speed and mid-range,...