CG Series Fixed Pitch Propeller (FPP) Gearboxes are compact, high-reliability marine propulsion gearboxes independently developed by NGC Marine (Nanjing Accurate Marine Equipment Co., Ltd., NGC). Designed for a wide range of marine main engines, the CG series integrates speed reduction, clutching, and ahead/astern reversing functions. Multiple shaft configurations are available, including coaxial, vertical offset, horizontal offset, and angular offset, with input speeds from 200–1800 rpm, reduction ratios from 2:1 to 6:1, and transmission capacities from 0.290 to 34.828 kW/rpm.
CGK52.59 NGC marine gearbox features single-stage reduction with vertical offset input and output shafts, opposite rotation direction, and integrated clutch with reduction. Rated input speed is 400-1200 rpm, reduction ratio 1.97-3.95, and transmission capacity 3.64 kW/rpm.
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CGK49.54 NGC marine gearbox features single-stage reduction with vertical offset input and output shafts, opposite rotation direction, and integrated clutch with reduction. Rated input speed is 400-1200 rpm, reduction ratio 1.97-3.95, and transmission capacity 2.82 kW/rpm.
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CGK45.49 NGC marine gearbox features single-stage reduction with vertical offset input and output shafts, opposite rotation direction, and integrated clutch with reduction. Rated input speed is 400-1400 rpm, reduction ratio 2.03-3.95, and transmission capacity 2.12 kW/rpm.
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CGK42.45 NGC marine gearbox features single-stage reduction with vertical offset input and output shafts, opposite rotation direction, and integrated clutch with reduction. Rated input speed is 400-1600 rpm, reduction ratio 1.97-4.00, and transmission capacity 1.64 kW/rpm.
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CGK36.39 NGC marine gearbox features single-stage reduction with vertical offset input and output shafts, opposite rotation direction, and integrated clutch with reduction. Rated input speed is 400-1600 rpm, reduction ratio 2.00-3.95, and transmission capacity 1.29 kW/rpm.
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CGK36.39 NGC marine gearbox features single-stage reduction with vertical offset input and output shafts, opposite rotation direction, and integrated clutch with reduction. Rated input speed is 400-1800 rpm, reduction ratio 2.03-3.95, and transmission capacity 0.96 kW/rpm.
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CGK32.35 NGC marine gearbox features single-stage reduction with vertical offset input and output shafts, opposite rotation direction, and integrated clutch with reduction. Rated input speed is 400-1800 rpm, reduction ratio 2.00-4.05, and transmission capacity 0.72 kW/rpm.
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CGK30.32 NGC marine gearbox features single-stage reduction with vertical offset input and output shafts, opposite rotation direction, and integrated clutch with reduction. Rated input speed is 400-1800 rpm, reduction ratio 1.97-4.00, and transmission capacity 0.57 kW/rpm.
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CGK28.30 NGC marine gearbox features single-stage reduction with vertical offset input and output shafts, opposite rotation direction, and integrated clutch with reduction. Rated input speed is 400-1800 rpm, reduction ratio 2.00-4.05, and transmission capacity 0.44 kW/rpm.
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CGS70.76 NGC marine gearbox is a CGS Series fixed pitch propeller gearbox designed for reliable marine propulsion. It features two-stage reduction, vertical offset input/output structure, and an ahead/astern reversing clutch with reduction. Rated input speed is 300-900 rpm, reduction ratio 1.94-3.95, and transmission capacity 8.11 kW/rpm.
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