Mercury MerCruiser Service Manual page 541

Description
Temperature switch settings ± 5.6° C
(10° F)
Ratios and Part Numbers
The ratio is shown on the identification plate. The ratio may be rounded off in some cases.
ZF Marine Model
45C
45IV
63A
63IV
Fluid Specifications
Listed capacities are approximate. Always use the dipstick to determine the exact fluid level.
Model
45IV Reversing unit
45IV V‑Drive unit
63A
63IV
90-8M0099748 eng DECEMBER 2015
Model 45C/45IV
Open
Closed
Ratio
1.0:1
1.46:1
1.5:1
2.1:1
2.5:1
1.55:1
2.0:1
2.5:1
Capacity
2.4 L (2.5 US qt)
1.0 L (1.0 US qt)
4.5 L (4.75 US qt)
4.75 L (5.0 US qt)
ZF/45C, 45IV, 63A, 65IV Transmissions
Specification
87.8° C (190° F)
110° C (230° F)
Mercury Marine Part Number
864336A03
Not available
863744T2
863744T3
863744T4
863745T2
863745T3
863745T4
Fluid Type
®
Dexron IV Automatic Transmission Fluid
®
Dexron III Automatic Transmission Fluid
®
Dexron III Automatic Transmission Fluid
© 2016 Mercury Marine
Model 63A/63
Page 9A-3