



| Type | Key Models | Applications | 
| Rexroth GFT Gearboxes | GFT 80T3, GFT 90T4, GFT 110WK4 | FUWA Crane Slewing/Hoist Systems | 
| Kawasaki Reducers | K3V/GPC K5V Series | SANY Drilling Rig Rotation Drives | 
| Crane Hoist Gearboxes | Custom 3-Stage Designs | XCMG Lifting Winches & Boom Control | 
| Huade Hydraulic Gearboxes | HD-HB Series (China OEM) | Cost-Efficient Retrofit Solutions | 
| Parameter | Rexroth GFT Series | Kawasaki Reducers | Huade OEM | 
| Max Torque | 180–500 kNm | 100–350 kNm | 80–300 kNm | 
| Efficiency | ≥96% | ≥94% | ≥92% | 
| Mounting | Flange/Bolt-on | Spline/Keyed Shaft | Custom Flanges | 
| Lubrication | Synthetic Oil (ISO VG 320) | Grease/Oil Bath | Oil Bath | 
| Operating Temp | -30°C to +120°C | -20°C to +100°C | -20°C to +90°C |