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Catalog excerpts
![Dozers D21A-8 - 1](https://img.directindustry.com/pdf/repository_di/20180/dozers-d21a-8-331465_1m.jpg)
NET HORSEPOWER 29.5 kW 40 HP @ 2450 rpm OPERATING WEIGHT D21A-8: 3940 kg 8,690 lb D21P-8: 4240 kg 9,350 lb D21A-8 D21P-8 D 21 CRAWLER DOZER Photos may include optional equipment.
Open the catalog to page 1![Dozers D21A-8 - 2](https://img.directindustry.com/pdf/repository_di/20180/dozers-d21a-8-331465_2m.jpg)
D21A/P-8 C R A W L E R D O Z E R WALK-AROUND Responsive Operation A single joystick on the left controls all speed and directional changes including: • 1st to 2nd • Forward and reverse • Right and left steering 1 LH A single joystick on the right controls all blade functions including: • Lifting/Digging • Angling • Tilting This left and right joystick system offers precise control and response for shorter cycle times. 2 F Float RH Down Angle N LH N 2 1 R RH Tilt N Tilt Up Easy-to-see instrument panel Ergonomically arranged meters and lamps make it easier to check the machine condition. In...
Open the catalog to page 2![Dozers D21A-8 - 3](https://img.directindustry.com/pdf/repository_di/20180/dozers-d21a-8-331465_3m.jpg)
C R AW L E R D O Z E R D21A/P-8 FLYWHEEL HORSEPOWER 29.5 kW 40 HP @ 2450 rpm OPERATING WEIGHT D21A-8: 3940 kg 8,690 lb D21P-8: 4240 kg 9,350 lb BLADE CAPACITY D21A-8: 0.57m3 0.75 yd3 D21P-8: 0.68m3 0.89 yd3 Efficient HYDROSHIFT transmission The D21-8 is equipped with Komatsu's unique HYDROSHIFT transmission, assuring smooth gear shifts, powerful traction and low fuel consumption. It consists of a damper and planetary gear packs. The HYDROSHIFT transmission makes two previously incompatible factors compatible: It efficiently converts engine power to traction with minimal power loss through a...
Open the catalog to page 3![Dozers D21A-8 - 4](https://img.directindustry.com/pdf/repository_di/20180/dozers-d21a-8-331465_4m.jpg)
D21A/P-8 C R A W L E R D O Z E R SPECIFICATIONS ENGINE Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Komatsu 4D94LE-2 Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Water-cooled, diesel Aspiration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Naturally aspirated Number of cylinders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Bore . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94 mm 3.70" Stroke . . . . . . . . . . . . . . . . . . . . . . . . . . . ....
Open the catalog to page 4![Dozers D21A-8 - 5](https://img.directindustry.com/pdf/repository_di/20180/dozers-d21a-8-331465_5m.jpg)
D21A/P-8 C R AW L E R D O Z E R DIMENSIONS D21A-8 1610 5'3" 1080 3'6" 1310 4'4" 890 2'11" 2450 8'0.5" 355 1'2" 590 1'11" 1785 5'10" 2315 7'7" GL 1310 4'4" 2170 7'1" 300 11.8" 1685 5'6" 39 1.5" 820 2'8" 250 9.8" 1125 3'8" 3365 11'0.5" D21P-8 2000 6'7" 1080 3'6" 1310 4'4" 1070 3'6" 2450 8'0.5" 1490 4'11" 2560 8'5" 510 20" 39 1.5" 355 1'2" 590 1'11" 1785 5'10" 2315 7'7" 820 2'8" 280 11.0" GL 1300 4'3" 1685 5'6" 3365 11'0.5" HYDRAULIC SYSTEM Control valves: Three control valves for power angle tilt dozer. Positions: Blade lift . . . . . . . . . . . . . . . . . . . . . . . . Raise, hold, lower,...
Open the catalog to page 5![Dozers D21A-8 - 6](https://img.directindustry.com/pdf/repository_di/20180/dozers-d21a-8-331465_6m.jpg)
STANDARD EQUIPMENT • Alternator, 12 V, 40 A • Back-up alarm • Batteries, 12 V, 64 Ah (5 hrs rate capacity) • Blower fan • Crankcase guard • Dry-type air cleaner with automatic dust evacuator and dust indicator lamp • Dry-type, interconnected steering clutches and brakes • Electric starting motor, 12 V, 2.3 kW • End track guiding guards • Hydraulic track adjusters • Hitch • Inching pedal • KOMTRAX • Lighting system (including 2 front and 1 rear lights) • Lubricated track links • Power angle tilt dozer, inside arms • Muffler • ROPS/FOPS Level 2 canopy* • Seat belt, 76 mm 3" • Suspension seat...
Open the catalog to page 6All Komatsu Construction and Mining Equipment catalogs and technical brochures
-
GD655-7
18 Pages
-
PC45MR-5
20 Pages
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PC35MR-5
20 Pages
-
GD655-6
16 Pages
-
BBX50
8 Pages
-
D61EXi-23 / D61PXi-23
16 Pages
-
D475A-5SD
14 Pages
-
D37EX-23
16 Pages
-
PC27MR-3
8 Pages
-
PC55MR-5
20 Pages
-
PC78US-10
20 Pages
-
D475A-5 Crawler Dozer
14 Pages
-
D375A-6
14 Pages
-
HD1500-7 Off-Highway Truck
12 Pages
-
HD785-7
14 Pages
-
HD465-7 Off-Highway Truck
12 Pages
-
HM300-5 Articulated Truck
20 Pages
-
D65WX-17
16 Pages
-
PC8000-6 Mining Shovel
8 Pages
-
PC228USLC-8 Hydraulic Excavator
20 Pages
-
PC290LC-11 Hydraulic Excavator
24 Pages
-
PC290LC-10 Super Long Front
12 Pages
-
PC88MR-10
20 Pages
-
XT445 Brochure
8 Pages
-
XT430 Brochure
8 Pages
-
IC Pneumatic: EX50 Series
12 Pages
-
IC Pneumatic: DX50 Series
8 Pages
-
IC Pneumatic: CX50 Series
12 Pages
-
IC Pneumatic: BX50 Series
4 Pages
-
IC Pneumatic: AX50 Series
4 Pages
-
IC Cushion: AX50 Series
4 Pages
-
IC Cushion: BX50 Series
6 Pages
-
E2W Catalog & Specs
8 Pages
-
Rasor Rev Brochure
2 Pages
-
H1F Catalog & Specs
8 Pages
-
OBS Catalog & Specs
8 Pages
-
Rasor 5x10 Brochure
2 Pages
-
Twister Brochure
6 Pages
-
PC1250-8
23 Pages
-
PC390LC-10
20 Pages
-
PC228USLC-8
20 Pages
-
WA430
6 Pages
-
WA470
6 Pages
-
WA320
8 Pages
-
WA200PZ-6
12 Pages
-
WA150-6
12 Pages
-
HD605-7
12 Pages
-
HD325-7
12 Pages
-
PC8000 Shovel
8 Pages
-
PC5500-6 Shovel
8 Pages
-
PC490LC-10
24 Pages
-
PC170LC-10
4 Pages
-
PC138USLC-10
24 Pages
-
D39EXi-23
16 Pages
-
D39EX-23
16 Pages
-
D37PXi-23
16 Pages
-
D37EXi-23
16 Pages
-
HD405-7
12 Pages
-
860E-1K
16 Pages
-
930E-4SE
4 Pages
-
960E-2
16 Pages
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960E-2K
16 Pages
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PC130-8
12 Pages
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PC88MR-8
8 Pages
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PC78US-8
8 Pages
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PC55MR-3
8 Pages
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PC45MR-3
8 Pages
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D475A-5
14 Pages
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D275AX-5 With Tier 3 Engine
12 Pages
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D155AX-7
16 Pages
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D85PX-15, D85EX-15
12 Pages
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D65EX-17
16 Pages
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D61EX-23, D61PX-23
16 Pages
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D61EX-15, D61PX-15
12 Pages
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D51EX-22
12 Pages
-
D39PX-22
12 Pages
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D39EX-22
12 Pages
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D39PX-23
16 Pages
-
D37PX-23
16 Pages
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Excavators PC35MR-3
8 Pages
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Dozers D31PX-22
12 Pages
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Dozers D31EX-22
12 Pages
-
Waste Handling Dozers D65
18 Pages
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Waste Handling Loaders WA250
8 Pages
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Wheel Loaders WA80-6
2 Pages
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Wheel Loaders WA50-6
8 Pages
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Trucks HM400-3
16 Pages
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Trucks HM300-3
16 Pages
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Shovels PC3000-6 Shovel
8 Pages
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Shovels PC2000-8 Shovel
20 Pages
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Graders GD655-5
12 Pages
-
Excavators PC18MR-3
8 Pages
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Excavators PC09-1
8 Pages
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Dozers D21P-8
6 Pages
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Crushers BR580JG-1
8 Pages
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Crushers BR380JG-1
8 Pages
Archived catalogs
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KOMATSU Product Guide
56 Pages
-
PC350HD-8 MH
10 Pages
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HB215LC-1
16 Pages
-
GD655-3
12 Pages
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BR550JG-1
8 Pages
-
830E
4 Pages
-
PC3000 Super Shovel
8 Pages
-
PC300LC-8
20 Pages
-
WA450-6
12 Pages
-
SK1026-5
8 Pages
-
C60R-1A
4 Pages
-
WB146-5, WB146PS-5
10 Pages