Radiator Core Module for Caterpillar D6R & D7R Dozers | 1750505

Fits Models At A Glance:

• Caterpillar Dozers: D6R, D7R

Serial Number Notes:

• D6R: 1RW00001-UP, 2HM00001-UP, 2YN00001-UP, 3ZN00001-UP, 4FM00001-UP, 4HN00001-UP, 4JR00001-UP, 4MN00001-UP, 4TR00001-UP, 4WR00001-UP, 5LN00001-UP, 5PR00001-UP, 5RR00001-UP, 6FR00001-UP, 6GR00001-UP, 6HR00001-UP, 6JN00001-UP, 6MR00001-UP, 7AR00001-UP, 7DR00001-UP, 7GR00001-UP, 7KN00001-UP, 8LN00001-UP, 8TM00001-UP, 8XN00001-UP, 9BM00001-UP, 9MN00001-UP, 9PN00001-UP, 9ZS00001-UP, DMP00001-UP, S6T00001-UP, S6X00001-UP, S6Y00001-UP, SSS00001-UP
• D7R: 2EN00001-UP, 2HR00001-UP, 3DN00001-UP, 3ZR00001-UP, 4SR00001-UP, 5KZ00001-UP, 5MR00001-UP, 6ER00001-UP, 9HM00001-UP, DSH00001-UP, R7B00001-UP

Key Notes:

• Part Number: 1750505 (Caterpillar reference 175-0505)
• Type: Modular radiator core section - one module, not a complete radiator
• Construction: Caterpillar Advanced Modular Cooling System core
• Dimensions: 1491 mm x 147 mm
• Material: Carbon steel with alloy mixed metals
• Weight: 46.0 lbs.
• Condition: Aftermarket replacement part
• Application: Replaces a radiator core module on Caterpillar D6R and D7R dozers
• Shipping Restrictions: Ships to the lower 48 US states only
• Note: Caterpillar has marked 175-0505 DISCONTINUED and tells buyers to contact a dealer for options without naming a replacement number - which is why this listing exists. This is ONE module; end tanks, seals, spacers and hardware are not included. Four other Caterpillar modules share this exact 1491 mm x 147 mm footprint, so order by machine model and check the weight at 46 lbs. Ships LTL freight.

Common Use Case or Symptoms:

Fit these when a D6R or D7R is dropping coolant from one strip of the stack - on a discontinued number the usual story is a machine that has been down for weeks while somebody works through a dealer's dead end.

Why Choose Broken Tractor?

• ✅ Discontinued With No Successor: Caterpillar retired this number and named nothing to replace it, which leaves a working D6R or D7R without a dealer route.
• ✅ D6R And D7R Only: A narrow fitment where most modules in this family span half a dozen machines - narrow usually means specific.
• ✅ Forty Six Pound Module: The heaviest of the five modules Caterpillar publishes at this footprint, which makes it identifiable on a scale.