GFT Series Planetary Gearbox & Final Drives
Product Line Overview
The GFT series represents heavy-duty planetary gearboxes specifically engineered for travel drives in mobile equipment. Key characteristics include:
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Torque Range: 5,000 - 60,000 Nm
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Reduction Ratios: 40:1 to 120:1
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Mounting Options: SAE A/B/C/D flanges, direct motor integration
What Is The Advantage of Gft Series Planetary Gearbox?
Engineering Design & Performance Advantages
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Exceptional Torque Density
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40% higher torque-to-weight ratio than peers (GFT32T3 achieves 520Nm/kg)
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18CrNiMo7-6 carburized steel gears withstand 2,500MPa contact stress
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Precision Transmission Control
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Planetary gear set division error <0.02mm, achieving >95.5% efficiency
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Optional dual planetary carrier reduces backlash to <3 arc-min (instrument-grade precision)
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Extreme Condition Adaptability
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Cold-start capability at -40°C (pre-filled with specialty synthetic grease)
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IP69K rating withstands 150bar high-pressure washdown
Economic Benefits
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Maintenance Costs: Oil change interval extended to 2,000 hours (vs. industry average 1,000 hours); spin-on filter design reduces replacement time to 15 minutes.
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Energy Efficiency: Optimized flow channels cut pressure loss by 30% (measured $\Delta P < 5\text{bar}$ at $200\text{L/min}$); 65% regenerative braking efficiency in hybrid versions.
Industry-Specific Advantages
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Mining Equipment: Shock-resistant design (withstands 3.8x rated torque) and self-cleaning housing.
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Port Machinery: ISO 12944 C5-M corrosion resistance and 2,000-hour maintenance-free operation.
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Renewable Energy: Compatible with e-motors (4,000rpm max speed) and low-backlash versions (<1 arc-min) for solar tracking.
The Drawing and Technical Parameters
| Model | Output Torque Max Nm | Ratio | Hydraulic motor | Max input Speed r/min | Braking Torque Max. Nm | Brake Press. Mpa | Weight kg | |
|---|---|---|---|---|---|---|---|---|
| GFT17T2 | 17000 | 25 32 38 45 54 | A2FE45 A2FE56 A2FE63 | A6VE55 A10VE45 A10VE63 | 3500 | 450 | 1.8-5 | 90 |
| Model | Output Torque Tmax Nm | Ratio | Hydraulic motor | Max. input Speed r/min | Braking Torque max. Nm | Brake Press. Mpa | Weight kg | |
|---|---|---|---|---|---|---|---|---|
| GFT17T3 | 17000 | 64 78 88 103 124 | A2FE28 A2FE32 A2FE45 A2FE56 A2FE63 | A6VE28 A6VE55 A10VE45 | 3500 | 450 | 1.8~5 | 90 |
Failure Analysis
Top 3 Field Issues:
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Seal Leakage (72% cases)
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Root Cause: Abrasive wear from contaminated oil
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Solution: Upgrade to T3 seal kit (P/N: R9006xxxxx)
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Bearing Spalling (18%)
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Detection: High-frequency vibration >7mm/s RMS
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Prevention: Strict adherence to alignment tolerances
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Gear Pitting (10%)
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Critical Factors: Oil viscosity <ISO VG 68, Overloading >150% rated torque
Payment terms, Delivery and Service
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Payment: 30% deposit, 70% before shipment. All the payment can be negotiated, generally by T/T.
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Delivery: 20-25 days after receipt of your payment.
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Service: 24 hours online service, technical overseas service.
FAQ
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Q: Is the GFT17T3 Travel Drive customizable?
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A: Yes, the GFT17T3 can be customized to meet the specific needs of different equipment, such as adjusting torque output, size, or mounting methods to suit various applications.
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Q: How long is the lifespan of the GFT17T3 Travel Drive?
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A: With normal use and regular maintenance, the GFT17T3 can last for several years, depending on the working environment and intensity of use.
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Q: What are the technical specifications of the GFT17T3 Travel Drive?
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A: Rated torque, Maximum speed, Weight, Suitable equipment weight range.
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Q: Is your brand can be perfectly replaced and interchanged?
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A: Yes, our models are the same as REXROTH GFT series.
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Q: What's your MOQ?
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A: 1 set
