| Узел | Модель |
| (G02) - VALVE TO HOIST CYLINDER AND RETURN (FOR BOTH "Y" AND "E" BOOMS). | (30EC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/65-12/79) |
| (G03) - * VALVE TO CROWD CYLINDER AND RETURN FOR "Y" BOOM, (USED ON 30C UNITS WITH SERIAL NUMBER 1 - 640 AND | (30EC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/65-12/79) |
| (G04A) - * VALVE TO CROWD CYLINDER AND RETURN FOR "Y" BOOM, (USED ON 30C UNITS WITH SERIAL NUMBER 641 - 652 | (30EC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/65-12/79) |
| (G04C) - VALVE TO CROWD CYLINDER AND RETURN FOR "Y" BOOM, (USED ON 30C UNITS WITH SERIAL NUMBER 653 - UP AND | (30EC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/65-12/79) |
| (G05) - VALVE TO CROWD CYLINDER AND RETURN FOR "E" BOOM | (30EC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/65-12/79) |
| (G07) - VALVE TO TOOL CYLINDER AND RETURN FOR "Y" BOOM | (30EC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/65-12/79) |
| (G10) - * VALVE TO TOOL CYLINDER AND RETURN FOR "E" BOOM DIPPERSTICK HYDRAULICS, (USED WITH 30C UNITS WITH | (30EC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/65-12/79) |
| (G10A) - VALVE TO TOOL CYLINDER AND RETURN FOR "E" BOOM, DIPPERSTICK HYDRAULICS, (USED ON 30C UNITS WITH | (30EC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/65-12/79) |
| (G15) - MAIN VALVE TO SWIVEL AND RETURN FOR TRACK DRIVE MOTORS | (30EC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/65-12/79) |
| (J07) - "Y" BOOM HYDRAULICS FOR FELLER BUNCHER | (30EC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/65-12/79) |
| (084) - HYDRAULIC LINES, LIFT CYLINDER AND SWING MOTOR | (30YC) - DROTT CRAWLER EXCAVATOR (S/N 1 TO 599) (1/65-12/79) |
| (086) - TOOL AND CROWD CYLINDER LINES | (30YC) - DROTT CRAWLER EXCAVATOR (S/N 1 TO 599) (1/65-12/79) |
| (087) - 30 Y CRAWLER HYDRAULICS WITH 5 PORT SWIVEL | (30YC) - DROTT CRAWLER EXCAVATOR (S/N 1 TO 599) (1/65-12/79) |
| (092) - 30 Y CRAWLER HYDRAULICS WITH 7 PORT SWIVEL | (30YC) - DROTT CRAWLER EXCAVATOR (S/N 1 TO 599) (1/65-12/79) |
| (094) - 4-IN-1 HYDRAULICS | (30YC) - DROTT CRAWLER EXCAVATOR (S/N 1 TO 599) (1/65-12/79) |
| (098) - LOG GRAPPLE HYDRAULICS | (30YC) - DROTT CRAWLER EXCAVATOR (S/N 1 TO 599) (1/65-12/79) |
| (G02) - VALVE TO HOIST CYLINDER AND RETURN (FOR BOTH "Y" AND "E" BOOMS). | (30YC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/65-12/79) |
| (G03) - * VALVE TO CROWD CYLINDER AND RETURN FOR "Y" BOOM, (USED ON 30C UNITS WITH SERIAL NUMBER 1 - 640 AND | (30YC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/65-12/79) |
| (G04A) - * VALVE TO CROWD CYLINDER AND RETURN FOR "Y" BOOM, (USED ON 30C UNITS WITH SERIAL NUMBER 641 - 652 | (30YC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/65-12/79) |
| (G04C) - VALVE TO CROWD CYLINDER AND RETURN FOR "Y" BOOM, (USED ON 30C UNITS WITH SERIAL NUMBER 653 - UP AND | (30YC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/65-12/79) |
| (G05) - VALVE TO CROWD CYLINDER AND RETURN FOR "E" BOOM | (30YC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/65-12/79) |
| (G07) - VALVE TO TOOL CYLINDER AND RETURN FOR "Y" BOOM | (30YC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/65-12/79) |
| (G10) - * VALVE TO TOOL CYLINDER AND RETURN FOR "E" BOOM DIPPERSTICK HYDRAULICS, (USED WITH 30C UNITS WITH | (30YC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/65-12/79) |
| (G10A) - VALVE TO TOOL CYLINDER AND RETURN FOR "E" BOOM, DIPPERSTICK HYDRAULICS, (USED ON 30C UNITS WITH | (30YC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/65-12/79) |
| (G15) - MAIN VALVE TO SWIVEL AND RETURN FOR TRACK DRIVE MOTORS | (30YC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/65-12/79) |
| (J07) - "Y" BOOM HYDRAULICS FOR FELLER BUNCHER | (30YC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/65-12/79) |
| (084) - HYDRAULIC LINES, LIFT CYLINDER AND SWING MOTOR | (30YM) - DROTT CRAWLER EXCAVATOR (S/N 1 TO 599) (1/65-12/79) |
| (086) - TOOL AND CROWD CYLINDER LINES | (30YM) - DROTT CRAWLER EXCAVATOR (S/N 1 TO 599) (1/65-12/79) |
| (087) - 30 Y CRAWLER HYDRAULICS WITH 5 PORT SWIVEL | (30YM) - DROTT CRAWLER EXCAVATOR (S/N 1 TO 599) (1/65-12/79) |
| (092) - 30 Y CRAWLER HYDRAULICS WITH 7 PORT SWIVEL | (30YM) - DROTT CRAWLER EXCAVATOR (S/N 1 TO 599) (1/65-12/79) |
| (094) - 4-IN-1 HYDRAULICS | (30YM) - DROTT CRAWLER EXCAVATOR (S/N 1 TO 599) (1/65-12/79) |
| (098) - LOG GRAPPLE HYDRAULICS | (30YM) - DROTT CRAWLER EXCAVATOR (S/N 1 TO 599) (1/65-12/79) |
| (G02) - VALVE TO HOIST CYLINDER AND RETURN (FOR BOTH "Y" AND "E" BOOMS). | (35EC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/68-12/77) |
| (G03) - * VALVE TO CROWD CYLINDER AND RETURN FOR "Y" BOOM, (USED ON 30C UNITS WITH SERIAL NUMBER 1 - 640 AND | (35EC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/68-12/77) |
| (G04A) - * VALVE TO CROWD CYLINDER AND RETURN FOR "Y" BOOM, (USED ON 30C UNITS WITH SERIAL NUMBER 641 - 652 | (35EC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/68-12/77) |
| (G04C) - VALVE TO CROWD CYLINDER AND RETURN FOR "Y" BOOM, (USED ON 30C UNITS WITH SERIAL NUMBER 653 - UP AND | (35EC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/68-12/77) |
| (G05) - VALVE TO CROWD CYLINDER AND RETURN FOR "E" BOOM | (35EC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/68-12/77) |
| (G07) - VALVE TO TOOL CYLINDER AND RETURN FOR "Y" BOOM | (35EC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/68-12/77) |
| (G10) - * VALVE TO TOOL CYLINDER AND RETURN FOR "E" BOOM DIPPERSTICK HYDRAULICS, (USED WITH 30C UNITS WITH | (35EC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/68-12/77) |
| (G10A) - VALVE TO TOOL CYLINDER AND RETURN FOR "E" BOOM, DIPPERSTICK HYDRAULICS, (USED ON 30C UNITS WITH | (35EC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/68-12/77) |
| (G15) - MAIN VALVE TO SWIVEL AND RETURN FOR TRACK DRIVE MOTORS | (35EC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/68-12/77) |
| (J07) - "Y" BOOM HYDRAULICS FOR FELLER BUNCHER | (35EC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/68-12/77) |
| (G02) - VALVE TO HOIST CYLINDER AND RETURN (FOR BOTH "Y" AND "E" BOOMS). | (35YC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/68-12/77) |
| (G03) - * VALVE TO CROWD CYLINDER AND RETURN FOR "Y" BOOM, (USED ON 30C UNITS WITH SERIAL NUMBER 1 - 640 AND | (35YC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/68-12/77) |
| (G04A) - * VALVE TO CROWD CYLINDER AND RETURN FOR "Y" BOOM, (USED ON 30C UNITS WITH SERIAL NUMBER 641 - 652 | (35YC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/68-12/77) |
| (G04C) - VALVE TO CROWD CYLINDER AND RETURN FOR "Y" BOOM, (USED ON 30C UNITS WITH SERIAL NUMBER 653 - UP AND | (35YC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/68-12/77) |
| (G05) - VALVE TO CROWD CYLINDER AND RETURN FOR "E" BOOM | (35YC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/68-12/77) |
| (G07) - VALVE TO TOOL CYLINDER AND RETURN FOR "Y" BOOM | (35YC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/68-12/77) |
| (G10) - * VALVE TO TOOL CYLINDER AND RETURN FOR "E" BOOM DIPPERSTICK HYDRAULICS, (USED WITH 30C UNITS WITH | (35YC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/68-12/77) |
| (G10A) - VALVE TO TOOL CYLINDER AND RETURN FOR "E" BOOM, DIPPERSTICK HYDRAULICS, (USED ON 30C UNITS WITH | (35YC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/68-12/77) |
| (G15) - MAIN VALVE TO SWIVEL AND RETURN FOR TRACK DRIVE MOTORS | (35YC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/68-12/77) |
| (J07) - "Y" BOOM HYDRAULICS FOR FELLER BUNCHER | (35YC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/68-12/77) |
| (J10) - "Y" BOOM HYDRAULICS FOR FELLER BUNCHER | (40YC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/71-12/79) |