# 21730472 Power Take-Off | Genuine Volvo Penta Part

## 🔧 Product Description

A complete ISO 7646 Size 100 engine power take-off used on Volvo Penta TAD540-42VE industrial engines. It provides a standardised mechanical drive for an auxiliary pump or machine.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta TAD840GE
-   Volvo Penta TAD552VE
-   Volvo Penta TAD853VE
-   Volvo Penta TAD570-72VE
-   Volvo Penta TAD570-71VE-B
-   Volvo Penta TAD550-51VE
-   Volvo Penta TAD540-42VE
-   Volvo Penta TAD840-43VE
-   Volvo Penta TAD850-52VE
-   Volvo Penta TAD870-73VE

-   **Engine Family:** TAD
-   **HP Range:** Approximately 160-250 HP
-   **Year Range:** Approximately 2010 - 2021

## ⚙️ Key Features

-   Complete engine power take-off to ISO 7646, size 100
-   For TAD540-42VE industrial engines
-   Listed for 10 applications on TAD-series engines
-   Standardised mechanical drive for an auxiliary pump or machine

## 🔌 Function

Transfers engine torque through the PTO bearing and companion-flange arrangement to auxiliary equipment.

## ⚠️ Common Signs of Failure

-   Whine or rumble from the PTO that tracks engine speed
-   Oil weeping at the shaft seal or the mounting joint
-   Play or run-out felt at the companion flange
-   Bearings found rough or gear teeth pitted at strip-down
-   Driven pump losing output or drive under load

## 🛠️ Service Notes

-   Confirm the auxiliary equipment matches the ISO 7646 Size 100 interface before ordering
-   Renew the mounting gasket and shaft seal when fitting

## 🔄 Supersession & Cross Reference

### OEM Supersession Chain

-   22364276 - later multi-application replacement family for 21730472

### OEM / Related Numbers

-   1526008 - sealing rings
-   963934 - sealing rings
-   948982 - O-ring
-   21730795 - bearing housing
-   1667973 - ISO 7647 size 1410 companion flange
-   20738739 - ISO 7646 size 100 companion flange
-   1526206 - washer
-   948332 - lock nut
-   21169720 - protecting screen

## 📦 Condition

-   Genuine Volvo Penta part
-   Brand new
-   Supplied in original or equivalent packaging

## Details

- **Price:** 6575.97 AUD
- **Vendor:** Volvo Penta
- **Type:** Power Take-Off
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 6575.97 AUD | In stock |

## Images

- 21730472 Power Take-Off | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/21730472-power-take-off-genuine-volvo-penta)
> Updated: 2026-10-10