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Specifications
Model ZF30M KM4A2 KMH4A ZF25A SD50-4T (coupled at boat builder)
Down angle 0˚ 7˚ 8˚ 8˚ Type Mechanical wet multiple disk clutch Mechanical cone clutch Hydraulic wet multiple disk clutch Hydraulic wet multiple disk clutch Mechanical cone clutch
Reduction ratio (Forward / Reverse) Propeller speed (Forward / Reverse) (rpm) 2.15/ 2.64 2.70/ 2.64 1.47/ 1.47 2.14/ 2.14 2.63/ 2.63 2.04/ 2.04 2.45/ 2.45 1.93/ 1.93 2.48/ 2.48
1444/ 1176 1150/ 1176 2115 2113 1451/ 1450 1180/ 1179 1520/ 1520 1263/ 1263 1607/ 1607 1250 1250 2.32
1337
Lubrication system Splash Centrifugal pump Trochoid pump Trochoid pump Oil bath
Lubrication oil ATF API CD or higher SAE #20 or #30 ATF QuickSilver® only
Lubricating oil capacity (Total) Lubricating oil capacity (Effective) Cooling system 1.1 L (1.2 qt) 2.0 L (2.1 qt) 2.0 L (2.1 qt) 1.8 L (1.9 qt) 2.2 L (2.3 qt)
0.2 L (0.2 qt) 0.2 L (0.2 qt) 0.2 L (0.2 qt) - 0.1 L (0.1 qt)
Seawater cooling -
Weight 27.5 kg (61 lb) 30 kg (66 lb) 31 kg (68 lb) 30 kg (66 lb) 42 kg (93 lb)
* At continuous power engine speed 2907 min-1