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D31EX-22 / D31PX-22 / D37EX-22 / D37PX-22

D31EX-22 / D31PX-22 / D37EX-22 / D37PX-22
8Pages

Catalog excerpts

D31EX-22 / D31PX-22 / D37EX-22 / D37PX-22 - 1

CRAWLER DOZER Printed in Japan 200806 IP.AD (10) Photo may include optional equipment. Materials and specifications are subject to change without notice. is a trademark of Komatsu Ltd. Japan.

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D31EX-22 / D31PX-22 / D37EX-22 / D37PX-22 - 2

CRAWLER DOZER The D31/37-22 is the next addition to an all new HST dozer line based on the D51-22 design concepts. Some of these concepts include Super-slant nose, large mid-mount cab, and durable construction. All-around visibility Improved durability ● Super-slant nose design ● Cab-forward design ● Integrated ROPS/FOPS (Level 2) ● Heavy-plate steel used throughout ● Dozer frame with steel casting ● Strong modular design ● New heavy duty HST components Increased productivity ● Electronically-controlled hydraulically-driven fan ● Rigid track frame with in-shoe final drive ● High capacity...

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D31EX-22 / D31PX-22 / D37EX-22 / D37PX-22 - 3

CRAWLER DOZER See what you have been missing! Unrivaled blade visibility The D31/37EX/PX-22 incorporates Komatsu’s super-slant nose design. Komatsu’s innovative design provides excellent blade visibility for improved machine control and increased efficiency and productivity. Photo may include optional equipment.

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D31EX-22 / D31PX-22 / D37EX-22 / D37PX-22 - 4

CRAWLER DOZER OPERATOR COMFORT DURABILITY FEATURES Heavy-duty undercarriage Large link, large bushing diameter, and wider sprocket teeth Photo may include optional equipment. Modular design Just like the D51. One of the design goals behind the extend undercarriage life. creation of the D31/D37 was to manufacture a more durable machine. This was achieved by reducing component complexity and using a strong modular design HST with electronic control The D31/D37 is equipped with Komatsu-designed Palm command Proportional Pressure Control (PPC) Hydrostatic Transmission (HST) that allows for...

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D31EX-22 / D31PX-22 / D37EX-22 / D37PX-22 - 5

CRAWLER DOZER PRODUCTIVITY FEATURES MAINTENANCE FEATURES This engine is EPA Tier 3, EU Daily checks Stage 3A and Japan emissions The D31/D37-22 utilizes a swing-up fan with a gas strut- All daily checks can be performed efficiently at ground level assisted lift locking system to provide easy access to the from the left side of the machine. economy combine with Komatsu (side-by-side) radiator, oil cooler, and charge air cooler. The technology to create a high performance engine without swing-up feature makes it easier to access cooling cores. sacrificing power or productivity. The hydraulic...

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D31EX-22 / D31PX-22 / D37EX-22 / D37PX-22 - 6

CRAWLER DOZER SPECIFICATIONS Model. . . . . . . . . . . . . . . . . . . . . . . . . . . . . Komatsu SAA4D95LE-5* Type. . . . . . . . . . . . . . . . . . . . . 4-cycle, water-cooled, direct injection Aspiration . . . . . . . . . . . . . . . . . . Turbocharged, air-to-air aftercooled Number of cylinders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Bore x stroke . . . . . . . . . . . . . . . . . 95 mm x 115 mm 3.74" x 4.53" Piston displacement. . . . . . . . . . . . . . . . . . . . . . . . . . 3.26 ltr 199 in3 Governor . . . . . . . . . . . . . . . . . . . . . . ....

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D31EX-22 / D31PX-22 / D37EX-22 / D37PX-22 - 7

CRAWLER DOZER HYDRAULIC SYSTEM STANDARD EQUIPMENT FOR BASE MACHINE Closed-center Load Sensing System (CLSS) designed for precise and responsive control and for efficient simultaneous operation. Hydraulic oil capacity (refilling): Power angle tilt dozer . . . . . . . . . . . . . . . . . . . . . 60 ltr 15.9 U.S. gal Hydraulic control unit: All spool control valves externally mounted remote to the hydraulic tank. Piston-type hydraulic pump with capacity (discharge flow) of 99 ltr/min 26.2 U.S. gal/min at rated engine rpm. Control valves: 3-spool control valve for power angle tilt dozer....

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