Bonfiglioli HDP 100 Heavy Industrial Gearbox (HDP & HDO Series)
The Bonfiglioli HDP 100 (featured model: HDP 100 3 Parallel Shaft) represents the pinnacle of heavy-duty power transmission engineering from Bonfiglioli's high-torque HDP Parallel Shaft and HDO Bevel-Helical series. Engineered for continuous severe industrial operation, heavy shock loads, and high thermal capacity, Bonfiglioli HDP and HDO gear units cover nominal output torques from 5,000 Nm up to 210,000 Nm across 13 standard frame sizes (60 to 180). Manufactured in rigid spheroidal nodular cast iron housings with ground gear teeth geometry, these units offer 2, 3, and 4-stage reduction trains with versatile mounting options (foot, flange, and shaft mounting with torque arm). Featuring solid keyed output shafts, splined shafts, or hollow shafts with shrink disc, Bonfiglioli HDP/HDO gearboxes provide reliable heavy-duty service across mining conveyors, cement mills, bucket elevators, extruders, and harbour crane hoists.
Technical Specifications
| Featured Model | HDP 100 3 (Size 100, 3-Stage Parallel Shaft Helical Heavy Industrial Gearbox) |
|---|---|
| Brand / Manufacturer | Bonfiglioli Riduttori S.p.A. (Italy) |
| Product Series | HDP Series (Parallel Shaft Helical) & HDO Series (Right-Angle Bevel-Helical) |
| Frame Sizes Covered | 60, 70, 80, 90, 100, 110, 120, 130, 140, 150, 160, 170, 180 (13 Frame Sizes) |
| Nominal Output Torque | 5,000 Nm to 210,000 Nm (HDP Parallel) / 8,900 Nm to 210,000 Nm (HDO Bevel-Helical) |
| Gear Ratios | i = 7.1 to 500.0 (2, 3 & 4-Stage Reduction Trains) |
| Cooling & Thermal Options | Fan Cooling (Axial/Radial Fan), Internal Cooling Coil, External Oil-Air Heat Exchanger Unit |
| Shaft & Mounting Executions | Solid Shaft with Keyway, Hollow Shaft with Shrink Disc, Double Extension Shaft, Foot & Flange Mount |
Documentation & Resources
Bonfiglioli HDP & HDO Series Modular Architecture Matrix
Full modular layout guide for Bonfiglioli HDP parallel shaft and HDO bevel-helical heavy industrial gearboxes. Review torque ratings, reduction stages, and output shaft executions:
| Gearbox Model & Orientation | Reduction Stages | Nominal Torque Range (Nm) | Standard Shaft Diameter (mm) | Target Heavy Duty Drives |
|---|---|---|---|---|
| HDP 60 / HDP 70 / HDP 80 (Parallel Shaft) | HDP 2, HDP 3, HDP 4 | 5,000 Nm - 19,000 Nm | 65 mm / 75 mm / 85 mm | Plastic Extruders, Belt Conveyors, Bucket Elevators |
| HDP 90 / HDP 100 / HDP 110 / HDP 120 (Parallel) | HDP 2, HDP 3, HDP 4 | 28,000 Nm - 65,000 Nm | 100 mm / 110 mm / 120 mm / 130 mm | Heavy Conveyor Drums, Mixers, Ball Mills |
| HDP 130 / HDP 140 to HDP 180 (Parallel Extra Heavy) | HDP 2, HDP 3, HDP 4 | 85,000 Nm - 210,000 Nm | 140 mm to 200 mm | Mining Crushers, Cement Kilns, Harbour Crane Hoists |
| HDO 60 / HDO 70 / HDO 80 (Bevel-Helical Right Angle) | HDO 2, HDO 3, HDO 4 | 8,900 Nm - 19,000 Nm | 65 mm / 75 mm / 85 mm | Right-Angle Conveyors, Agitators, Shredders |
| HDO 90 to HDO 180 (Bevel-Helical Heavy Duty) | HDO 2, HDO 3, HDO 4 | 28,000 Nm - 210,000 Nm | 100 mm to 200 mm | Heavy Quarry Drives, Thickener Drives, Winch Drums |
Bonfiglioli Legacy Series & Heavy Industry Retrofit Guide
Bonfiglioli HDP and HDO industrial gearboxes adhere strictly to international foot mounting bolt centers, shaft heights, and output shaft diameters, enabling seamless upgrades for legacy industrial speed reducers:
| Target Duty / Legacy Gearbox Class | Torque Capacity | Bonfiglioli HDP / HDO Equivalent Model | Max Torque Rating | Mechanical Mounting & Retrofit Notes |
|---|---|---|---|---|
| Medium Parallel Shaft Conveyor Drives | 10,000 Nm - 12,000 Nm | Bonfiglioli HDP 70 2 100% Drop-In | 12,500 Nm | Standard foot mounting bolt centers, shaft height, and solid output shaft diameter. |
| Heavy Conveyor Headstock Drives | 25,000 Nm - 30,000 Nm | Bonfiglioli HDP 90 3 100% Drop-In | 31,000 Nm | Direct 1:1 solution for high-duty continuous belt conveyor drives. |
| Heavy Ball Mill & Mixer Drives | 45,000 Nm - 50,000 Nm | Bonfiglioli HDP 110 3 100% Drop-In | 52,000 Nm | Matches heavy mixer drive footprints and shrink disc hollow shafts. |
| Quarry & Mining Right-Angle Drives | 35,000 Nm - 40,000 Nm | Bonfiglioli HDO 100 3 100% Drop-In | 42,000 Nm | Bevel-helical right angle layout. Direct drop-in solution for heavy quarry drives. |
| Severe Duty Mining & Crusher Drives | 80,000 Nm - 95,000 Nm | Bonfiglioli HDP 140 3 100% Drop-In | 105,000 Nm | Heavy spheroidal cast iron body with integrated cooling fans for extreme ambient temp. |
Expert Selection & Retrofit Engineering Notes
When servicing or replacing heavy industrial gearboxes on belt conveyors, bucket wheel excavators, or extruders, switching to Bonfiglioli HDP/HDO units guarantees exact physical mounting alignment, output shaft compatibility, and high thermal capacity without modifying foundation baseplates or input/output motor couplings. Simply supply us with your existing heavy gearbox nameplate code (e.g., HDP 100 3) or dimensional drawing, and our technical team will deliver a 100% compliant replacement specification and proposal.
Core Benchmark Model Standard Configurations
- HDP 60 2 1/12.5 Solid Shaft
- HDP 70 3 1/31.5 Foot Mount
- HDP 80 3 1/45 Hollow Shaft
- HDP 90 2 1/16 Shrink Disc
- HDP 100 3 1/50 Parallel Shaft
- HDP 110 3 1/63 Heavy Duty
- HDP 120 4 1/180 Conveyor Drive
- HDP 130 3 1/40 Mill Drive
- HDP 140 3 1/56 Crusher Drive
- HDP 160 4 1/250 Extruder Drive
- HDO 60 2 1/10 Right Angle
- HDO 70 3 1/28 Bevel Helical
- HDO 80 3 1/40 Shaft Mount
- HDO 90 3 1/50 Bevel Helical
- HDO 100 3 1/56 Bevel Helical
- HDO 120 4 1/180 Quarry Drive
- HDP 100 3 IEC Motor Adapter
- HDP 120 3 Shrink Disc Shaft
- HDO 110 3 Cooling Fan Unit
- HDO 140 4 Heavy Duty Winch
