• Aug 4, 2025 Caterpillar D6h D6h Series Ii 8kb4rc6fc7pc8fc1kd2kd3ed3zf4yf5hf6cf2tg3yg4gg4lg1fj8zj9kj2dk5kk6ck7zk8kk8sk9lk9rk1yl2bl2tl Service the following factors specific to this model Engine Model Identify the specific engine model installed in your D6H and consult the corresponding service manual for modelspecific maintenance recommendations Hydraulic System Components The specific hydraulic syst BY Alberto Fadel