Industrial Gearboxes & Power Transmission
Precision-engineered gearboxes for every industrial application. From compact NMRV reducers to heavy-duty extruder gearboxes — manufactured in India since 1996.
Worm Gearboxes
Heavy-duty worm gearboxes engineered for reliable speed reduction across a wide range of industrial applications. Available in single and double reduction configurations with gear ratios from 5:1 to 100:1.
- HousingClose-grained cast iron (IS 210 Grade FG260)
- Worm ShaftCase-hardened alloy steel, ground-finished
- Worm WheelPhosphor bronze (centrifugally cast)
- BearingsSKF / Timken taper roller bearings
- SealsDouble-lip oil seals, viton optional
- LubricationSynthetic EP gear oil (splash lubrication)
Technical Specifications
| Size | Centre Distance (mm) | Power (kW) | Ratio Range | Output Torque (Nm) | Input Bore (mm) | Output Bore (mm) | Weight (kg) |
|---|---|---|---|---|---|---|---|
| 50 | 50 | 0.06 – 0.37 | 5 – 100 | 11 – 58 | 11 | 25 | 4.5 |
| 63 | 63 | 0.09 – 0.55 | 5 – 100 | 18 – 95 | 14 | 25 | 7.0 |
| 75 | 75 | 0.12 – 1.1 | 5 – 100 | 32 – 170 | 14 | 28 | 11 |
| 85 | 85 | 0.18 – 1.5 | 5 – 80 | 48 – 250 | 19 | 35 | 16 |
| 100 | 100 | 0.25 – 2.2 | 5 – 80 | 72 – 380 | 19 | 35 | 24 |
| 120 | 120 | 0.37 – 4.0 | 5 – 80 | 120 – 640 | 24 | 40 | 38 |
| 135 | 135 | 0.55 – 5.5 | 5 – 60 | 180 – 960 | 24 | 45 | 52 |
| 150 | 150 | 0.75 – 7.5 | 5 – 60 | 250 – 1,300 | 28 | 50 | 70 |
| 175 | 175 | 1.1 – 11 | 5 – 60 | 380 – 2,000 | 28 | 55 | 105 |
| 200 | 200 | 1.5 – 25 | 5 – 60 | 520 – 3,400 | 38 | 60 | 140 |
Values at 1440 rpm input speed, service factor 1.0. Actual ratings depend on operating conditions. Contact engineering for detailed selection.
Applications
Worm Gearbox Variants
Specialized worm gearbox configurations for specific industrial requirements.
Adaptable Worm Gearbox
Foot-mounted design with 6 interchangeable shaft positions for maximum installation flexibility.
- Centre Distance: 30–100 mm
- Ratio Range: 5:1 – 70:1
- Mounting: 6 shaft positions
Under Driven Worm Gearbox
Solid foot mounting design for heavy-duty below-drive applications with excellent stability.
- Centre Distance: 90–305 mm
- Ratio Range: 5:1 – 70:1
- Mounting: Solid foot base
Double Worm Reduction Gearbox
Combination of two worm gearboxes for ultra-high reduction ratios in a single assembly.
- Centre Distance: 42–305 mm
- Ratio Range: 100:1 – 4,900:1
- Configuration: Dual worm stages
Vertical Worm Gearbox
Solid foot with vertical up/down output shaft for stirrer and agitator applications.
- Centre Distance: 100–230 mm
- Duty: Light / Medium / Heavy stirrer
- Output: Vertical up or down
NU Series Gearbox
Universal single-piece casing with under/over driven capability for versatile installations.
- Centre Distance: 60–205 mm
- Power: Up to 22 kW
- Casing: Single-piece universal
V Type Gearbox
Versatile V-configuration worm gearbox for space-constrained industrial applications.
- Configuration: V-type layout
- Housing: Cast iron
- Applications: Compact drive systems
NMRV Worm Reducers
Compact, lightweight aluminium worm speed reducers ideal for applications requiring universal mounting flexibility. NMRV series available in sizes 025 through 150 with hollow or solid output shafts.
- HousingAluminium alloy die-cast, powder coated
- Worm20CrMnTi case-hardened, ground to class 6
- GearTin bronze ZCuSn10Pb1
- MountingUniversal: foot, flange, torque arm, shaft-mount
- IP RatingIP55 standard (IP65 on request)
Technical Specifications
| Model | Centre Distance (mm) | Power (kW) | Ratio Range | Output Torque (Nm) | Output Shaft (mm) | Hollow Bore (mm) | Weight (kg) |
|---|---|---|---|---|---|---|---|
| NMRV 025 | 25 | 0.06 – 0.12 | 5 – 100 | 2.6 – 11 | 11 | — | 0.7 |
| NMRV 030 | 30 | 0.06 – 0.18 | 5 – 100 | 4 – 17 | 14 | — | 1.0 |
| NMRV 040 | 40 | 0.09 – 0.37 | 5 – 100 | 10 – 45 | 18 | — | 2.3 |
| NMRV 050 | 50 | 0.12 – 0.75 | 5 – 100 | 18 – 84 | 25 | 20 | 3.5 |
| NMRV 063 | 63 | 0.18 – 1.5 | 5 – 100 | 32 – 160 | 25 | 25 | 6.2 |
| NMRV 075 | 75 | 0.25 – 3.0 | 5 – 100 | 60 – 300 | 28 | 28 | 9.0 |
| NMRV 090 | 90 | 0.37 – 4.0 | 5 – 80 | 100 – 480 | 35 | 35 | 13 |
| NMRV 110 | 110 | 0.55 – 7.5 | 5 – 80 | 180 – 820 | 42 | 42 | 21 |
| NMRV 130 | 130 | 0.75 – 11 | 5 – 80 | 260 – 1,100 | 45 | 45 | 32 |
| NMRV 150 | 150 | 1.1 – 18.5 | 5 – 60 | 380 – 1,550 | 50 | 50 | 48 |
Torque values at 1400 rpm input, service factor 1.0. Double-stage NMRV+NMRV combinations available for ratios up to 3,600:1.
Helical Gearboxes
Precision-ground helical gear trains delivering up to 98% efficiency per stage. Available in four series configurations to suit every industrial drive requirement.
Foot-Mounted (B3)
Standard base-plate mounting for horizontal installation on machine frames and foundations.
Geared Motor Unit
Integrated motor-gearbox assembly for compact, plug-and-play drive solutions.
Gear Reducer
Standalone speed reducer with input and output shaft for coupling to any motor.
- Gear AccuracyDIN 6 / ISO 1328 Class 6
- Gear Hardness58–62 HRC (case-carburised, ground)
- HousingCast iron / fabricated steel, ribbed for heat dissipation
- Stages2-stage and 3-stage options
- Efficiency96–98% per stage
- Noise< 72 dB(A) at 1 metre
Series Comparison
| Parameter | Specification |
|---|---|
| Type | Parallel shaft helical |
| Power Range | 0.12 – 200 kW |
| Ratio Range | 3.54 – 281 |
| Max Torque | 25,000 Nm |
| Mounting | Foot (B3), foot-flange (B35) |
| Application | Conveyors, crushers, mills, heavy mixers |
| Parameter | Specification |
|---|---|
| Type | Helical-bevel (right angle) |
| Power Range | 0.12 – 200 kW |
| Ratio Range | 5.36 – 197 |
| Max Torque | 25,000 Nm |
| Mounting | Foot (B3), flange (B5), shaft-mount |
| Application | Bucket elevators, fans, agitators |
| Parameter | Specification |
|---|---|
| Type | Parallel shaft helical (flange output) |
| Power Range | 0.12 – 45 kW |
| Ratio Range | 3.77 – 281 |
| Max Torque | 12,000 Nm |
| Mounting | Flange (B5), foot-flange (B35) |
| Application | Packaging lines, bottling plants, pumps |
| Parameter | Specification |
|---|---|
| Type | Helical-worm combination |
| Power Range | 0.12 – 18.5 kW |
| Ratio Range | 6.8 – 288 |
| Max Torque | 4,200 Nm |
| Mounting | Foot (B3), flange (B5), torque arm |
| Application | Textile machines, small conveyors, gate operators |
Helical-Worm Gearboxes
Combining helical gear efficiency with worm reduction compactness for optimal performance.
Helical Worm Gearbox
Standard helical-worm combination for high-torque, compact drive applications.
- Power: 1–50 HP
- Centre Distance: 80–380 mm
- Ratio Range: 4:1 – 110:1
Helical Worm Top-Bottom
Top-bottom shaft configuration for vertical drive arrangements and special mounting needs.
- Configuration: Top-bottom shaft
- Housing: Cast iron
- Applications: Vertical drives
Helical Worm Double Output
Double output shaft design for driving two machines simultaneously from a single motor.
- Output: Dual output shafts
- Housing: Cast iron
- Applications: Twin-drive systems
Crossed Helical Reduction Gearbox
Non-parallel shaft power transmission for applications requiring angled drive configurations.
- Shaft Arrangement: Non-parallel
- Gear Type: Crossed helical
- Applications: Angled power transmission
Bevel Gearboxes
Spiral bevel gearboxes for right-angle power transmission where space constraints demand compact solutions. Hardened and ground bevel gear sets ensure smooth, quiet operation and long service life.
- Gear TypeSpiral bevel, hardened & ground
- Shaft Angle90° standard
- Ratio Range5:1 – 50:1 (multi-stage with helical)
- Power Range0.12 – 55 kW
- Max Torque18,000 Nm
- HousingCast iron, foot / flange mountable
- ApplicationsRoller conveyors, agitators, rotary tables, crane drives
Bevel Gearbox Variants
Specialized right-angle drive solutions for diverse mounting requirements.
Right Angle Gearbox
Compact 90° power transmission unit for space-constrained installations requiring directional change.
- Shaft Angle: 90°
- Sizes: Various
- Applications: Conveyors, rotary tables
Planetary Gearboxes
Inline planetary gearboxes delivering exceptional torque-to-size ratio through load sharing across multiple planet gears. Available in single, double, and triple-stage configurations for extreme reduction ratios.
- DesignInline coaxial planetary
- Stages1-stage, 2-stage, 3-stage
- Ratio Range3:1 – 512:1
- Power Range0.25 – 250 kW
- Max Torque150,000 Nm
- Backlash< 6 arcmin (precision class), < 15 arcmin (standard)
- ApplicationsSlewing drives, winches, track drives, heavy machinery, automation
Geared Motors
Complete integrated geared motor units combining an electric motor with a precision gearbox for plug-and-play operation. Eliminates coupling alignment issues and reduces installation time.
- Motor Power0.12 – 30 kW
- Motor Type3-phase squirrel cage induction (B5/B14 flange)
- Gear TypesWorm, helical, helical-worm, helical-bevel
- MountingFoot, flange, shaft-mounted
- ProtectionIP55 motor, IP65 available
- VFD CompatibleYes — inverter-duty insulation standard
- ApplicationsAutomated lines, material handling, pumps, fans, packaging
Geared Motor Variants
Integrated motor-gearbox solutions for specific drive requirements.
Motorised Worm Gearbox
Fully integrated motor and worm gearbox assembly for compact, ready-to-install drive units.
- Power: 0.25–20 HP
- Centre Distance: 30–230 mm
- Motor: Direct-coupled
Hollow Input Geared Motor
B5/B14 motor flange mounting for quick motor interchange without disturbing alignment.
- Centre Distance: 30–205 mm
- Flange: IEC B5 / B14
- Motor Frame: 56–180
FHP Right Angle Gear Motor
Compact fractional-HP right-angle gear motor for light-duty applications with limited space.
- Power: 1/6 – 1 HP
- Phase: Single / Three phase
- Design: Compact right-angle
Extruder Gearboxes
Purpose-built gearboxes for single-screw plastics and rubber extrusion lines. Engineered to absorb high axial thrust from the extruder screw while maintaining precise output speed under continuous heavy-duty operation.
- DesignHelical + thrust bearing assembly
- Screw TypeSingle-screw configurations
- Power Range5.5 – 250 kW
- Thrust CapacityHeavy-duty axial thrust bearings rated for continuous operation
- Duty CycleContinuous (S1) at elevated temperatures up to 80 °C ambient
- CoolingForced-air fan cooling, water cooling optional
- ApplicationsPVC pipe, film blowing, sheet extrusion, cable coating, rubber processing
Extruder Gearbox Types
Specialized configurations for single-screw extrusion lines and inline helical applications.
Single Screw Extruder Gearbox
Designed for single-screw extrusion lines with integrated axial thrust bearing assembly.
- Type: Single-screw drive
- Thrust: Integrated bearing assembly
- Applications: PVC pipe, film, sheet
M Series Inline Helical Gearbox
Compact inline helical gearbox with foot-mounted design for precision speed reduction in industrial applications.
- Type: Inline helical
- Mounting: Foot-mounted
- Applications: Conveyors, mixers, material handling
Specialty & Custom Gearboxes
Engineered for unique industrial requirements — from clutch-operated drives to heavy-duty steel mill gearboxes. Over 30 years of experience in designing and manufacturing custom gearbox solutions for demanding applications.
Special Gearbox with Clutch
Manual engagement/disengagement clutch mechanism for controlled start-stop and overload protection.
- Clutch: Manual engagement
- Protection: Overload disconnect
- Applications: Presses, conveyors
Custom Built Gearboxes
Application-specific gearbox solutions designed and manufactured to your exact requirements.
- Design: Application-specific
- Engineering: In-house CAD/CAM
- Experience: 30+ years
Custom Helical Gearbox
Custom helical gear configurations for non-standard ratios, mounting, and shaft arrangements.
- Gear: Custom helical pairs
- Ratios: Non-standard available
- Mounting: Per requirement
Worm Gearbox with Manual Clutch
Worm gearbox with integrated manual clutch for applications requiring selective drive engagement.
- Type: Worm + clutch
- Engagement: Manual lever
- Applications: Packaging, textile
Tube Mill Gearbox
Heavy-duty gearbox designed for steel tube mill forming and welding sections.
- Duty: Heavy-duty continuous
- Industry: Steel tube mills
- Housing: Reinforced cast iron
Strip Mill Gearbox
Engineered for steel strip mill rolling and processing operations with high shock loads.
- Duty: Heavy-duty, shock-rated
- Industry: Steel strip mills
- Bearings: Heavy-duty roller
Lift Duty Gearbox
Vertical lifting gearbox for elevators, hoists, and platform lifts with safety brake integration.
- Application: Elevators, hoists
- Safety: Brake integration
- Duty: Intermittent S3/S4
Shaft Mounted Reduction Gearbox
Mounts directly on the driven shaft — eliminates baseplate, coupling, and alignment requirements.
- Mounting: Direct shaft mount
- Benefit: No baseplate needed
- Applications: Conveyors, mixers
Gears, Spares & Components
Individually manufactured gears and replacement components for gearbox maintenance, repair, and custom machinery. Precision-machined from quality materials with full dimensional inspection.
Spur Gears
Precision-machined spur gears in stainless steel and mild steel for industrial machinery.
- Material: SS / MS
- Diameter: 10–30 inch
- Teeth: 44–150
Worm Wheels
Polished worm wheels in copper and mild steel for smooth, low-friction worm drive operation.
- Material: Copper / MS
- Diameter: 10–30 inch
- Finish: Polished
Worm Shafts
Precision-machined MS round worm shafts, case-hardened and ground-finished for long service life.
- Material: MS (case-hardened)
- Shape: Round
- Finish: Ground
Crown & Pinion
Matched crown and pinion gear sets for right-angle drives in industrial machinery.
- Module: 1–6
- Type: Matched sets
- Applications: Industrial machinery
Gearbox Spares
Replacement gears, shafts, bearings, and seals for all gearbox types — OEM and aftermarket.
- Types: Gears, shafts, bearings, seals
- Compatibility: All gearbox types
- Supply: OEM & aftermarket
Machine Screw Jacks
Precise, self-locking linear motion from 5 kN to 350 kN — trapezoidal and ball screw designs, single jacks to synchronized multi-jack lifting systems.
- Capacity: 5 kN – 350 kN (models AG-SJ-05 to AG-SJ-350)
- Screw types: Trapezoidal (self-locking) and ball screw (high-efficiency)
- Configurations: Upright, inverted, rotating; single to 8-jack synchronized systems
- Drive options: Hand wheel, motorised, bevel-gearbox linked
Fluid Couplings
Hydrodynamic couplings that soft-start high-inertia loads, isolate shock, and protect motors — constant-fill, variable-speed, and delayed-fill designs.
- Variants: Constant-fill, variable-speed, delayed-fill chamber
- Function: Cushioned starts, overload protection, load sharing
- Typical duty: Conveyors, crushers, mills, and other high-inertia drives
- Pairing: Fitted between motor and gearbox in heavy drive chains
Automation & Drive Solutions
The electronics that complete the drive chain — VFDs, PLCs, HMIs, servo systems, control panels, and temperature controllers, with in-house panel building at our Thane facility.
Budgetary offer — Industrial Gearboxes
Tell us the duty and we’ll send you a number
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Applications & Custom Capability
Industry-specific drive solutions and the non-catalogue configurations our shop builds every week.