MAINTENANCE AND pArTs
Duramax Retrofit Torch  Operator Manual  4-5
The MRT
2
 torch assembly can be replaced, or individual component parts can be replaced. The MRT
2
 torch assembly 
includes a variety of Duramax consumables.
Machine torch replacement parts – Duramax MRT
2
Pilot arc wire 
terminal screw
Cap-sensor 
switch
Torch bodyO-ring
Wire connector for 
cap-sensor switch
Part number Description
058519 O-ring
075504 Pilot arc wire terminal screw
128926* Kit: Quick disconnect repair
228720 Kit: Cap-sensor switch replacement
228735 Kit: M65/M65m/M85/M85m/MRT
2
 front mounting sleeve
228736 Kit: M65/M65m/M85/M85m/MRT
2
 adapter ring (coupler)
228737 Kit: M65/M85/MRT
2
 positioning sleeve
228738 Kit: M65/M85/MRT
2
 removable gear rack
228928* Kit: MRT
2
 lead replacement, 7.6 m (25 ft)
228929* Kit: MRT
2
 lead replacement, 15.2 m (50 ft)
228930** Kit: MRT
2
 lead replacement, 7.6 m (25 ft) – without quick disconnect
228931** Kit: MRT
2
 lead replacement, 15.2 m (50 ft) – without quick disconnect
228920* Kit: MRT
2
 torch assembly with 7.6 m (25 ft) lead
228921* Kit: MRT
2
 torch assembly with 15.2 m (50 ft) lead
228922** Kit: MRT
2
 torch assembly with 7.6 m (25 ft) lead – without quick disconnect
228923** Kit: MRT
2
 torch assembly with 15.2 m (50 ft) lead – without quick disconnect
228793 Kit: MRT
2
 torch main body replacement
Consumables
Mounting 
sleeve
Coupler
Gear rack (32 pitch)
Strain relief body
Strain relief nut
Torch lead
Positioning sleeve
* For use with Powermax600, Powermax800, Powermax900, MAX42, and MAX43 CSA systems.
** For use with Powermax600 CE systems.