A&S Machinery Co., Ltd.

Model Number: D21A-6 D21A-7 D21A-7 D21A-8 Brand Name: A&S Key Specifications/Special Features: Blades/cutting edges for the following Komatsu D21A bulldozers are offered here.D21A-6D21A-7D21A-7D21A-8Komatsu cutting edge 10G-72-21260 Komatsu blade parts cutting edge Komatsu D21 BulldozerKomatsu cutting edge 114-72-21140 Komatsu blade parts cutting edge Komatsu D21 BulldozerKomatsu cutting edge 12F-70-31261 Komatsu blade parts cutting edge Komatsu D21 Bulldozer
Komatsu cutting edge 12F-70-31281 Komatsu blade parts cutting edge Komatsu D21 Bulldozer
Komatsu cutting edge 12F-70-31251 Komatsu blade parts cutting edge Komatsu D21 Bulldozer

Blade/cutting edge types available for Komatsu D21A bulldozer
Weld-on type
Bolt-on type
Standard type
Improved type
Customized type

Features

• Cutting edges/blades/end bits for Komatsu D21A bulldozers are made from Hardox plate or other high quality wear plates with refined casting and hardening technology.
• The wear life of our cutting edges/blades/end bits, is about 2-3 times longer compared to the common ones, so the down-time of the machines will be highly reduced and much maintenance cost will be saved and finally the efficiency of your bulldozers will be increased.

Blades/cutting edges for CAT and Shantui bulldozers are also supplied here.

Spare parts available for Komatsu D21A bulldozers include:
Wear parts (cutting edges, end bits, side cutters, wear strips, ripper tooth, ripper assembly)
Undercarriage parts (track shoes, track chains, idlers, rollers, carrier rollers, driving sprocket, track links, bolts)
Transmission parts(travel motors, pins and bushings, gear boxes)
Hydraulic parts( engine overhaul repair kit, pumps, valves, starter motors, cylinders, filters, mufflers, radiators)
Electrical parts(sensors, solenoid valves, alternators, control panels, switches, head lights)

Any further interest in our blades/cutting edges/end bits for Komatsu D21A bulldozers, please contact for more.

Typical technical specifications of A&S blades for bulldozers
1. Chemical components: carbon(0.81) silicon(0.23) manganese(0.62) phosphorus(0.019) sulfur(0.031) chrome(0.009) molybdenum(0.005) nickel(0.004) copper(0.084) tin(0.03)
2. Hardness: surface270-300HB, center275HB
3. Tensile strength: 100KGF/MM2
Note: those figures are just for your reference only, to get the specific figures for your requested blades, please contact our sales representative.