Caterpillar 72 H Pipelayer Parts Manual PLR1-Up (Machine)

## 72H Pipelayer Parts List: D6T (T4i) Modifications

This parts list is specifically for the 72H Pipelayer, with modifications based on a D6T (T4i) tractor. It includes parts for the hydraulic system, counterweight, structural components, rigging, and other essential elements.

**Hydraulic System & Controls:**

* Load Sense system components (manifold, flow valves, filters)
* Hydraulic cylinders
* Hydraulic tank cover (specific to D6T (T4i))
* Boom stop
* Diverter valve
* Control panel and box
* Mode control valve
* Pilot control valves (2-way and 3-way)
* Shuttle valve, 2 speed
* Horn jumper wire
* Dozer handle plug
* Electrical connector plug
* Rear control panel installation (D6T (T4i))
* Hydraulic return to tank (D6T (T4i))
* Accumulator installation
* Counterweight control system parts (for D6T (T4i) and 72H)
* Hydraulic hose chart (D6T (T4i))
* Hydraulic hose modification (D6T (T4i))

**Structural and Frame Components:**

* Crossmember (shared between D6T (T4i) and 72H)
* Left-hand frame component (compatible with D6R III and D6T tractors)
* Right-hand frame components (compatible with D6R SIII and D6T tractors)

**Counterweight Components:**

* 72H Pipelayer specific counterweight
* Counterweight link assembly
* Counterweight yoke pin
* Greased pins

**Other Components:**

* Mirrors
* Overhead mirror bracket (D6T (T4i))
* Boom foot pin
* Guarding installation (for D6T (T4i) and 72H)
* Seat riser mounting assemblies
* Rigging equipment and load block
* Sheaves
* Decals (for D6T (T4i) and 72H)
* 20-foot boom (for the 72H Pipelayer)
* Heater options (D6T (T4i) and 72H), including the no heater" option

This list can help you identify necessary parts for the 72H Pipelayer with the D6T (T4i) modifications. You can use it for maintenance