Volvo Penta TD420VE User Manual

Technical data: TD/TAD420VE, TAD620VE, TAD650VE, TAD660VE
18
Group 20
Flywheel
Type of flywheel, standard :
TD/TAD420,620,650,660VE ................................ Clutch 10" or 11.5"
Max, permitted axial runout
Measuring radius 150 mm (5.91") ........................ 0.1 mm (0.004")
Number of teeth on flywheel ................................... 129
Camshaft
Type of camshaft: .................................................. Three different types: K, L or H
Drive ...................................................................... Gear
Number of bearings:
TD420VE/TAD420VE .......................................... 5
TAD620VE, TAD650/TAD660VE ........................ 7
Inner diameter Ø, bearing journals
Standard ............................................................. 63
+0.054
mm (2.48"
+0.0021"
)
Wear limit ........................................................... 63.08 mm (2.483")
Camshaft bearing thickness: max .......................... 1.388
+0.012
mm (0.05465"
+0.0005"
)
Axial clearance ...................................................... 0.1-0.5 mm (0.004-0.02")
Radial clearance .................................................... 0.05-0.124 mm (0.002-0.0049")
Position of bearing bush at flywheel end ................ 3
+0.2
mm (0.118"
+0.008"
)
Timing gear
1. Governor drive (not apply for 650/660)
2. Idler gear (not apply for 650/660)
3. Camshaft gear
4. PTO gear B-C (not apply for 650/660)
5. PTO gear A (not apply for 650/660)
6. Crankshaft

Volvo Penta TD420VE Specifications

General

Engine Model	TD420VE
Number of Cylinders	6
Fuel System	Direct injection
Aspiration	Turbocharged
Engine Type	Diesel
Cooling System	Freshwater cooling