ADAPTER- 9X8265 - Caterpillar

65C (2ZJ1-1964),
Challenger 65D (2ZJ1965-up),
Challenger 70C (2YL),
Challenger 75C (4KK),
Challenger 75D (5AR),
Challenger 85C (9TK),
Challenger 85D (4GR) Agricultural TractorsDescription of Change: The front idler hub oil change interval has been changed to every 1000 service hours instead of every 500 service hours and coincides with the transmission, differential, and hydraulic system oil change intervals. For the idler hubs only, the factory fill fluid has also been changed from SAE50W Oil to SAE30W Oil.Adaptable To: The new SAE30W Oil in the idler hubs is effective with Challenger 65D (2ZJ2313), Challenger 75D (5AR220), and Challenger 85D (4GR327) Agricultural Tractors. SAE50W Oil was the factory fill fluid on Challenger 65C (4KK500-up), Challenger 65D (2ZJ2230-2312), Challenger 70C (2YL), Challenger 75C (4KK500-up), Challenger 75D (5AR1-219), Challenger 85C (9TK), and Challenger 85D (4GR1-326) Agricultural Tractors. The new front idler hub oil change interval is adaptable to Challenger 65C (2ZJ500-up), Challenger 65D (2ZJ), Challenger 70C (2YL), Challenger 75C (4KK500-up), and Challenger 85C (9TK) Agricultural Tractors.