Improve cooling efficiency for your Komatsu fleet
Keep your Komatsu mining fleet operating at peak performance with Coxons Komatsu Service Exchange program. We operate nationwide from our workshops in Perth, Rockhampton, Mackay and Singleton.
We specialise in scheduled maintenance and repair and returns, for radiators and cooling components across the full range of Komatsu mining trucks, dozers, excavators and wheel loaders. With specialist technicians, dedicated workshops and a large range of replacement parts kept in stock, we’re equipped to support your fleet even in the harsh Australian mining conditions.
Ask us today about our scheduled maintenance solutions for all your Komatsu mining cooling components.

We partner with customers across Australia’s key mining regions – including the Bowen Basin, Hunter Valley, Gunnedah the Pilbara, WA Goldfields and more – to deliver reliable, cost-effective cooling solutions that maximise HME fleet productivity and minimise downtime.
Our goal is to help you eliminate costly asset breakdowns and improve the overall availability of your site’s Komatsu HME cooling equipment.
Why Komatsu HME cooling system maintenance matters
- Avoid costly breakdowns:Â Overheating of HME Komatsu radiators can lead to failures in key asset components such as engines and transmissions. Regular cooling system maintenance with Coxons helps identify issues early, keeping your fleet operational.
- Maximise efficiency:Â A well-maintained HME Komatsu cooling system ensures optimal operating temperatures, improving fuel efficiency and overall performance year round.
- Extend equipment life:Â Preventing radiator and radiator core overheating reduces wear on components, extending the lifespan of your Komatsu mining machinery and protecting your asset investment.

Komatsu models
Komatsu mining trucks, loaders and excavators are primarily fitted with Mesabi radiators from factory. Coxons Group workshops are authorised Mesabi service centres, so we have the expertise and parts to rebuild your Komatsu truck radiators with fast turnaround times.
Radiators, Scheduled Maintenance & Service Exchange
across the Komatsu range
Dozers
Large dozer
- D575A-3
- D575A-2
- D575A
- D475ASD-5E0
- D475A-5E0
- D475A-5
- D475A-3
- D475A-2
- D375A-8
- D375A-6
- D375A-5
- D375A-3
- D375A-2
- D375A-1
- D355A-5
- D355A-3
- D355A-1
- D275AX-5E0
- D275A-2
Medium dozer
- D85PX-15E0
- D85PX-15
- D85P-21
- D85EX-15E0
- D85EX-15
- D85E-21
- D85A-21
- D85A-12
- D65PX-16
- D65PX-15
- D65PX-12
- D65P-12
- D65EXL-12
- D65EX-16SIGMA
- D65EX-16PAT
- D65EX-15
- D65EX-12
- D61PXi-23
- D61PX-24
- D61PX-23
- D61PX-15
- D61PX-12
- D61EXi-23
- D61EX-24
- D61EX-23
- D61EX-15
- D61EX-12
- D51PXi-22
- D51EXi-22
- D51EX-22
- D155AX-6
- D155AX-5
- D155A-1
Small dozer
- D39EX-23
- D39EX-22
- D37PXi-23
- D37PX-23
- D37EXi-23
- D37EX-23
- D21P-8
- D21P-7
- D21P-6
- D21P-5
- D21P-3
- D21A-8
- D21A-7
- D21A-65
- D21A-6
- D21A-5
- D21A-3
- D20PL-7
- D20PL-6
- D20PL-5
- D20P-7
- D20P-6
- D20P-5
- D20P-3
- D20A-7
- D20A-6
- D20A-5
- D20A-3
Wheel dozer
- WD900-3
- WD600-6
Excavators
Large excavator
- PC800LC-8
- PC800-8
- PC800-7
- PC800-6
- PC750-6
- PC710-5
- PC650-7
- PC650-6
- PC650-5
- PC600SE-6
- PC600LC-8E0
- PC600LC-8
- PC600LC-7
- PC600LC-6
- PC600-7
- PC600-6
- PC600
- D39PXi-23
- D39PX-23
- D39EXi-23
Material handler
- PC800LC-8 MH
Medium excavator
- PC450-8
- PC400
- PC350LC-8
- PC350-8
- PC300LC-8
- PC300LC-5
- PC300-8
- PC300-7EO
- PC300-6
- PC270-8
- PC270-7
- PC250LC-6
- PC228US-3EO
- PC220-8
- PC210LCi-10
- PC210LC-11
- PC210LC-10
- PC200-8M0
- PC200-8
- PC200-6
- PC200
- PC120-6
- HB335LC-1
- HB205-1M0
Mini excavator
- PC78UU-8
- PC78UU-3EO
- PC78US-6NO
- PC75 UU-2
- PC60-7
- PC60-6
- PC60-5
- PC55MR-5
- PC55MR-3
- PC50UU-2
- PC50MR-2
- PC45R-8
- PC45MR-3
- PC45MR-1
- PC40R-8
- PC40MRX-1
- PC40MR-6
- PC40MR-2
- PC40-7
- PC40-2
- PC35R-8
- PC35MR-3
- PC35MR-2
- PC30R-8
- PC30MRX-1
- PC30MRX
- PC30MR-3
- PC30MR-2
- PC30MR
- PC30-1
- PC27R-8
- PC27MR-3
- PC27MR-2
- PC25R-8
- PC20R-8
- PC20MRX-1
- PC20MR-2
- PC20-MR
- PC20-2
- PC20 MRx
- PC18MR-3
- PC18MR-2
- PC15R-8
- PC12R-8
- PC10-2
- PC09-1
- PC03-2F
- PC03-2
- PC02-1
- PC01-1
Mining shovel
- PC8000-6
- PC8000
- PC5500-6
- PC5500
- PC4000-6
- PC4000
- PC3000-6
- PC3000
- PC2000-8
- PC1800-6
- PC1600SP-1
- PC1600-1
- PC1250SP-8R
- PC1250SP-8
- PC1250SP-7
- PC1250LC-8
- PC1250-8
- PC1250-7
- PC1000
Small excavator
- PC95-1
- PC88MR-8
- PC78MR-6
- PC75 UU-3
- PC200-7
- PC160LC-8
- PC138US-8
- PC138US-2
- PC130-8
- PC130-6
- PC128UU-1
- PC128US-2
Wheel excavator
- PW98MR-8
- PW95R-2
- PW75R-2
- PW220-7K
- PW200
- PW170-5
- PW160-7K
- PW150-3
- PW130
- PW110
- PW100
Off highway trucks
Articulated dump truck
- HM400-5
- HM400-3
- HM400-2
- HM400-1
- HM350-2
- HM350-1
- HM300-5
- HM300-3
- HM300-2
- HM300-1
- HM250-2
Large haul truck
- 960E-2K
- 960E-1K
- 930E-4SE
- 930E-3SE
- 930E-2SE
- 860E-1K
- 830E-AC
- 830E-1AC
- 830E DC
Medium haul truck
- HD1500-8
- HD1500-7
- HD1500-5
Small haul truck
- HD985-3
- HD785-7
- HD785-5
- HD785-3
- HD605-8
- HD605-7E0
- HD605-7
- HD605-5
- HD465-8
- HD465-7E0
- HD465-7
- HD465-5
- HD405-8
- HD405-7
- HD405-6
- HD325-8
- HD325-7
- HD325-6
Other machines
Grader
- GD825A-2
- GD675-6
- GD655-6
- GD655-5
- GD555-5
Scraper
- WS23S-1
- WS16S-2
- WS16-2
Wheel loaders
Compact wheel loader
- WA65-6H
- WA30-1
- WA180-3
- WA150-5
- WA150-3
- WA150
- WA100M-6
Integrated toolcarrier
- WA320PZ-6
- WA250PT-5
- WA250-3PT
Large wheel loader
- WA800-2
- WA700-3
- WA700-1
- WA600-8
- WA600-6
- WA600-3
- WA500-8
- WA500-7
- WA500-6
- WA500-3
- WA500
Medium wheel loader
- WA480-6A
- WA480-6
- WA480-5H
- WA470-8
- WA470-7
- WA470-6H
- WA470-6A
- WA470-6
- WA470-3
- WA430-6
Mining wheel loader
- WA900-3EO
- WA900-3
- WA900
- WA800-3E0
- WA800-3
- WA800-1
- WA1200-6
- WA1200-3
Small wheel loader
- WA380-8
- WA380-7
- WA380-6
- WA320-8
- WA320-7
- WA270-7
- WA250PZ-6
- WA200PZ-6
- WA200-7
- WA200
Large dozer
- D575A-3
- D575A-2
- D575A
- D475ASD-5E0
- D475A-5E0
- D475A-5
- D475A-3
- D475A-2
- D375A-8
- D375A-6
- D375A-5
- D375A-3
- D375A-2
- D375A-1
- D355A-5
- D355A-3
- D355A-1
- D275AX-5E0
- D275A-2
Medium dozer
- D85PX-15E0
- D85PX-15
- D85P-21
- D85EX-15E0
- D85EX-15
- D85E-21
- D85A-21
- D85A-12
- D65PX-16
- D65PX-15
- D65PX-12
- D65P-12
- D65EXL-12
- D65EX-16SIGMA
- D65EX-16PAT
- D65EX-15
- D65EX-12
- D61PXi-23
- D61PX-24
- D61PX-23
- D61PX-15
- D61PX-12
- D61EXi-23
- D61EX-24
- D61EX-23
- D61EX-15
- D61EX-12
- D51PXi-22
- D51EXi-22
- D51EX-22
- D155AX-6
- D155AX-5
- D155A-1
Small dozer
- D39EX-23
- D39EX-22
- D37PXi-23
- D37PX-23
- D37EXi-23
- D37EX-23
- D21P-8
- D21P-7
- D21P-6
- D21P-5
- D21P-3
- D21A-8
- D21A-7
- D21A-65
- D21A-6
- D21A-5
- D21A-3
- D20PL-7
- D20PL-6
- D20PL-5
- D20P-7
- D20P-6
- D20P-5
- D20P-3
- D20A-7
- D20A-6
- D20A-5
- D20A-3
Wheel dozer
- WD900-3
- WD600-6
Large excavator
- PC800LC-8
- PC800-8
- PC800-7
- PC800-6
- PC750-6
- PC710-5
- PC650-7
- PC650-6
- PC650-5
- PC600SE-6
- PC600LC-8E0
- PC600LC-8
- PC600LC-7
- PC600LC-6
- PC600-7
- PC600-6
- PC600
- D39PXi-23
- D39PX-23
- D39EXi-23
Material handler
- PC800LC-8 MH
Medium excavator
- PC450-8
- PC400
- PC350LC-8
- PC350-8
- PC300LC-8
- PC300LC-5
- PC300-8
- PC300-7EO
- PC300-6
- PC270-8
- PC270-7
- PC250LC-6
- PC228US-3EO
- PC220-8
- PC210LCi-10
- PC210LC-11
- PC210LC-10
- PC200-8M0
- PC200-8
- PC200-6
- PC200
- PC120-6
- HB335LC-1
- HB205-1M0
Mini excavator
- PC78UU-8
- PC78UU-3EO
- PC78US-6NO
- PC75 UU-2
- PC60-7
- PC60-6
- PC60-5
- PC55MR-5
- PC55MR-3
- PC50UU-2
- PC50MR-2
- PC45R-8
- PC45MR-3
- PC45MR-1
- PC40R-8
- PC40MRX-1
- PC40MR-6
- PC40MR-2
- PC40-7
- PC40-2
- PC35R-8
- PC35MR-3
- PC35MR-2
- PC30R-8
- PC30MRX-1
- PC30MRX
- PC30MR-3
- PC30MR-2
- PC30MR
- PC30-1
- PC27R-8
- PC27MR-3
- PC27MR-2
- PC25R-8
- PC20R-8
- PC20MRX-1
- PC20MR-2
- PC20-MR
- PC20-2
- PC20 MRx
- PC18MR-3
- PC18MR-2
- PC15R-8
- PC12R-8
- PC10-2
- PC09-1
- PC03-2F
- PC03-2
- PC02-1
- PC01-1
Mining shovel
- PC8000-6
- PC8000
- PC5500-6
- PC5500
- PC4000-6
- PC4000
- PC3000-6
- PC3000
- PC2000-8
- PC1800-6
- PC1600SP-1
- PC1600-1
- PC1250SP-8R
- PC1250SP-8
- PC1250SP-7
- PC1250LC-8
- PC1250-8
- PC1250-7
- PC1000
Small excavator
- PC95-1
- PC88MR-8
- PC78MR-6
- PC75 UU-3
- PC200-7
- PC160LC-8
- PC138US-8
- PC138US-2
- PC130-8
- PC130-6
- PC128UU-1
- PC128US-2
Wheel excavator
- PW98MR-8
- PW95R-2
- PW75R-2
- PW220-7K
- PW200
- PW170-5
- PW160-7K
- PW150-3
- PW130
- PW110
- PW100
Articulated dump truck
- HM400-5
- HM400-3
- HM400-2
- HM400-1
- HM350-2
- HM350-1
- HM300-5
- HM300-3
- HM300-2
- HM300-1
- HM250-2
Large haul truck
- 960E-2K
- 960E-1K
- 930E-4SE
- 930E-3SE
- 930E-2SE
- 860E-1K
- 830E-AC
- 830E-1AC
- 830E DC
Medium haul truck
- HD1500-8
- HD1500-7
- HD1500-5
Small haul truck
- HD985-3
- HD785-7
- HD785-5
- HD785-3
- HD605-8
- HD605-7E0
- HD605-7
- HD605-5
- HD465-8
- HD465-7E0
- HD465-7
- HD465-5
- HD405-8
- HD405-7
- HD405-6
- HD325-8
- HD325-7
- HD325-6
Grader
- GD825A-2
- GD675-6
- GD655-6
- GD655-5
- GD555-5
Scraper
- WS23S-1
- WS16S-2
- WS16-2
Compact wheel loader
- WA65-6H
- WA30-1
- WA180-3
- WA150-5
- WA150-3
- WA150
- WA100M-6
Integrated toolcarrier
- WA320PZ-6
- WA250PT-5
- WA250-3PT
Large wheel loader
- WA800-2
- WA700-3
- WA700-1
- WA600-8
- WA600-6
- WA600-3
- WA500-8
- WA500-7
- WA500-6
- WA500-3
- WA500
Medium wheel loader
- WA480-6A
- WA480-6
- WA480-5H
- WA470-8
- WA470-7
- WA470-6H
- WA470-6A
- WA470-6
- WA470-3
- WA430-6
Mining wheel loader
- WA900-3EO
- WA900-3
- WA900
- WA800-3E0
- WA800-3
- WA800-1
- WA1200-6
- WA1200-3
Small wheel loader
- WA380-8
- WA380-7
- WA380-6
- WA320-8
- WA320-7
- WA270-7
- WA250PZ-6
- WA200PZ-6
- WA200-7
- WA200