the following CATERPILLAR(CAT) Branded Gas Generator Models:1) 212CC 3600/4500 Watt Gas Generator Models: RP3600, 490-6488 & 502-3684(CARB Compliant).
2) 301CC 5500/6875 Watt Gas Generator Models: RP5500, 490-6489 & 502-3686(CARB Compliant).
3) 420CC 6500/8125 Watt Gas Generator Models: RP6500, 502-3688(CARB Compliant), RP6500E & 490-6490.
4) 420CC 7500/9375 Watt Gas Generator Models: RP7500, 502-3690(CARB Compliant), RP7500E & 490-6491.
5) 420CC 8000/10000 Watt Gas Generator Models: RP8000E & 530-1234.