1 servicemen's reference book hydraulic controls and equipement form 12914-2.
1 =========================================== 12914 .
1 ==================dw21 tractor ================= 30354-1
1=========================== 8w1-up============ 30354-2
1 parts book caterpillar d375 engine serie 16b1 to 16b237 ======== 12130
1========================= 16b 238 to 16b 439======= 31197
1================= electric set 18b87 to 18b197 ======== 32517 replae form 31198