20716771 Disc Kit | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta Allison 4000 Flywheel Drive Disc Kit - Part Number: 20716771

A genuine Volvo Penta flexible drive-disc kit used with flywheel 21514063 in Allison 4000 transmission installations. The assembled disc pack couples engine flywheel torque into the transmission while accommodating controlled torsional movement.

The kit appears in TAD1140-TAD1152 engine flywheel catalogues with ring gear 20711957 and twelve flange screws 21340875. Volvo Penta does not publish separate internal service numbers for the individual disc-pack components.

⚙️ Key Features

• Genuine Volvo Penta Allison 4000 flywheel disc kit

• Correct Volvo Penta kit number 20716771

• Used with flywheel 21514063

• Designed for the Allison 4000 transmission installation

• Complete factory-assembled torsional drive-disc package

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 20716771 current / original OEM disc-kit reference

• Other Volvo Penta disc kits are transmission-specific and are not direct substitutes

OEM / Related Numbers:

• 20716771

• 21514063 related Allison 4000 flywheel

• 20711957 related ring gear

• 21340875 related flange screw - quantity 12, separately serviced

• 3593959 Dana Spicer flywheel and 3840872 ZF flywheel are different transmission arrangements

Aftermarket / Verified Equivalents:

• No verified direct aftermarket equivalent

• Allison / industrial driveline specialist: matched torsional disc assembly only after flywheel, transmission and bolt-circle verification

📦 Kit Contents

• 20716771 complete flywheel drive-disc assembly - 1

• 20716771 internal flexible / friction disc elements - factory-assembled set

• 20716771 centre hub and retaining elements - factory-assembled set

• Volvo Penta does not assign separate service part numbers to the internal pieces; the complete assembly is serviced under kit number 20716771

• Flywheel 21514063, ring gear 20711957 and twelve screws 21340875 are related but not included

🚤 Compatibility

Commonly used on:

• Volvo Penta 11-litre industrial engines coupled to Allison 4000 automatic transmissions

Typically suits:

• Engine models / systems:

• Volvo Penta TAD1140VE

• Volvo Penta TAD1141VE

• Volvo Penta TAD1142VE

• Volvo Penta TAD1150VE

• Volvo Penta TAD1151VE

• Volvo Penta TAD1152VE where flywheel 21514063 and disc kit 20716771 are specified

• HP Range: Approximately 330HP - 550HP, dependent on TAD11 engine rating

• Engine Type: Volvo Penta 10.8-litre inline 6-cylinder industrial diesel with Allison 4000 transmission

• Year Range: Approximately 2000s - 2010s

• Fitment Note: Confirm Allison 4000, flywheel 21514063 and the 12-bolt 21340875 retaining arrangement

🔌 Function

The disc assembly transfers engine torque to the transmission input while damping torsional vibration and accommodating small driveline movements.

Common signs of failure:

• Driveline rattles or knocks at idle and load changes

• Transmission engagement produces abnormal vibration

• Disc pack becomes cracked, loose or heat-damaged

• Flywheel-to-transmission drive is lost

• Bolt-hole fretting or hub movement is visible during inspection

📦 Condition

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging