Folded Radiator Core for Cat Challenger 65, 75 & 627E Scrapers | 2W5539

Fits Models At A Glance:

• Caterpillar Challenger Tractors: 65, 65B, 65C, 65D, 65E, 75, 75C, 75D, 75E
• Caterpillar Wheel Tractor Scrapers: 627E, 627F, 627G, 637E, 637G
• Caterpillar Mining Trucks: 789C, 793, 793B, 793C
• Caterpillar Wheel Loaders: 950B, 950E
• Caterpillar Industrial Engines: 3176B

Key Notes:

• Part Number: 2W5539 (Caterpillar reference 2W-5539)
• Type: Folded radiator core - core only, no tanks or frame
• Dimensions: 1092 mm x 121 mm
• Material: Alloy copper and alloy brass
• Weight: 24.0 lbs.
• Condition: Aftermarket replacement part
• Application: Replaces the folded radiator core on Cat Challenger 65 and 75 series tractors, 627E through 637G scrapers, 789C through 793C mining trucks, 950B and 950E loaders and the 3176B industrial engine
• Shipping Restrictions: Ships to the lower 48 US states only
• Note: Core only - end tank seals, tanks, hoses and hardware are not included. IMPORTANT: Caterpillar also catalogues core 2W-5540 against the 627E, 627F and 627G, and publishes nothing to say which machine takes which. That core is 1275 mm long against 1092 mm here - measure before ordering if you run a 627. Ships LTL freight.

Common Use Case or Symptoms:

Order this when a Challenger or a 627 is losing cooling in the heat of a season - an agricultural tractor runs its core through chaff and field dust all harvest, and a scraper does the same in a haul cut, so both arrive at a packed core the same way.

Why Choose Broken Tractor?

• ✅ Challenger And Construction: One core covers the Challenger 65 and 75 tractor families alongside Cat scrapers, mining trucks and loaders.
• ✅ Shortest Folded Core Stocked: 1092 mm, which is what separates it from the 1275 mm core Caterpillar lists against the same 627 scrapers.
• ✅ Copper Brass Repairable: Traditional core construction that a radiator shop can work on, which matters on machines this old.