30370201 / 303 702 01 HL500 S HYDRAULIC MOTOR OMSU 80 SANDVIK – OEM-Standard Replacement from 3GEN Export

When a rock drill is productive, it’s rarely because one “big” component is doing something magical. It’s because every moving part is doing its job quietly, precisely, and without drama—especially the hydraulic drive elements that keep rotation consistent under load. The 30370201 / 303 702 01 HL500 S HYDRAULIC MOTOR OMSU 80 SANDVIK is built for exactly that role: stable torque delivery, smooth speed control, and dependable performance in harsh drilling environments where dust, vibration, and pressure spikes are normal.

At 3GEN Export, we supply this component as an OEM-standard replacement manufactured to match demanding field expectations. If your operation can’t afford downtime, you need a motor that’s ready to work the moment it’s installed—and a supplier that can move fast. We deliver worldwide in 5 working days, so your maintenance plan stays on schedule and your equipment stays productive.

What the 30370201 / 303 702 01 HL500 S HYDRAULIC MOTOR OMSU 80 SANDVIK Does

The 30370201 / 303 702 01 HL500 S HYDRAULIC MOTOR OMSU 80 SANDVIK is commonly used as a hydraulic drive unit within the HL500/HL500S drilling architecture—most often in the rotation/drive function where consistent torque and controllable RPM matter the most. In real terms, this motor helps deliver:

• Predictable rotation under changing rock hardness

• Smooth start/stop behavior to protect mechanical couplings and splines

• Stable speed control for accurate drilling and tool life management

• Reliable operation under continuous load cycles

Many buyers search for this part using either format—30370201 or 303 702 01—so we keep both references visible for easier matching and procurement.

Online aftermarket listings also associate the part with HL500S and an OMSU 80 hydraulic motor specification, reinforcing its common identification in the drilling spare parts market.

Why “OMSU 80” Matters in Hydraulic Motor Selection

The “OMSU 80” designation is typically used to describe an orbital-type hydraulic motor family in the 80 cc/rev class. In drilling applications, that displacement range is popular because it balances:

• Strong low-speed torque

• Stable rotation at controlled RPM

• Efficiency under steady load

• Compact packaging within tight assemblies

For the 30370201 / 303 702 01 HL500 S HYDRAULIC MOTOR OMSU 80 SANDVIK, the goal is not just raw power. It’s dependable torque delivery with minimal speed fluctuation—so your drill string stays controlled when the rock changes, and your operator doesn’t have to “fight” the machine.

Technical literature for OMSU-series orbital motors emphasizes heavy-duty operating intent and typical application use where steady performance under hydraulic load is required.

Key Benefits of the 30370201 / 303 702 01 HL500 S HYDRAULIC MOTOR OMSU 80 SANDVIK

1) Smoother Rotation = Better Tool Life

A stable hydraulic motor reduces micro-jerks in rotation. That helps protect drilling tools, couplings, and interfaces—especially during collaring or transitions between strata.

2) Better Control Under Load

The 30370201 / 303 702 01 HL500 S HYDRAULIC MOTOR OMSU 80 SANDVIK supports predictable behavior when the rock pushes back. That means fewer stalls, fewer operator corrections, and more consistent penetration strategy.

3) Reduced Maintenance Stress

In drilling, “small fluctuations” become big problems over time. By keeping torque delivery consistent, this motor helps reduce stress on connected components, lowering the likelihood of secondary damage.

4) Fast Replacement Cycle Through 3GEN Export

Even the best maintenance program can’t prevent every failure. What matters is how fast you recover. 3GEN Export delivers worldwide in 5 working days, so you can bring rigs back online quickly, without extending shutdown windows.

Technical Overview (Practical, Field-Friendly)

Because exact porting/shaft/flange variants can differ by configuration, below are the most useful “buyer-side” specifications to confirm before ordering the 30370201 / 303 702 01 HL500 S HYDRAULIC MOTOR OMSU 80 SANDVIK:

Displacement Class

• OMSU 80 class (commonly 80 cc/rev family)

Hydraulic Compatibility

• Designed for drilling hydraulic circuits that require stable torque at controlled RPM

Mounting / Interface Checkpoints

• Flange type (2-bolt / 4-bolt patterns depending on build)

• Shaft type (keyed, splined, or specific coupling interface)

• Port orientation and thread type (to match your hose routing and blocks)

Operating Expectation

• Continuous-duty behavior in vibration-heavy environments

• Stable rotation performance for rock drilling applications

OMSU-series motor documentation generally positions these motors for demanding hydraulic service, which aligns with the drilling use case implied by HL500/HL500S integration.

Approximate Weight (KG)

For OMSU/80cc-class orbital hydraulic motors, weight commonly varies by shaft/flange/valve configuration.

• Estimated weight range: 9–12 kg

If you share your motor’s flange and shaft style (or a clear photo of the nameplate/ports), we can narrow this estimate further before shipment. (Some catalogs publish weights by exact variant, but many drilling-market listings do not include a standardized weight entry for the HL500S OMSU 80 configuration.)

Compatible SANDVIK Models (Common Use References)

Based on how this part is presented in the market, the 30370201 / 303 702 01 HL500 S HYDRAULIC MOTOR OMSU 80 SANDVIK is commonly associated with:

• SANDVIK HL500S drilling/drifter systems

• SANDVIK HL500 applications using the OMSU 80 motor class

This association appears in aftermarket/parts-market listings referencing HL500S/HL500 and OMSU 80 in the same product identification context.

Because drilling fleets are often customized by rig builder, region, and revision, the safest practice is:

• Confirm via machine serial number

• Cross-check hydraulic block/port orientation

• Validate mounting pattern and shaft interface

If you send the drill model + serial (or your old motor markings), we can confirm fitment more precisely.

Installation Notes (Technician-Useful, Not Theory)

Before Removal

• Depressurize hydraulic system fully

• Cap and label hoses (port mapping prevents “reversed flow” headaches)

• Clean around ports to prevent contamination entry

During Installation

• Verify flange seating and bolt torque pattern (even clamp load matters)

• Confirm shaft engagement depth and coupling alignment

• Replace seals/O-rings as standard practice

• Flush lines if failure was caused by contamination

First Start Procedure

• Run at low load first

• Check for leaks at operating temperature

• Listen for cavitation signs (often linked to suction restrictions or air ingress)

• Validate rotation direction and speed response

This approach reduces early-life issues and protects your new 30370201 / 303 702 01 HL500 S HYDRAULIC MOTOR OMSU 80 SANDVIK from avoidable damage.

Why Buy from 3GEN Export

You’re not buying a paragraph—you’re buying uptime.

• OEM-standard production focused on fit and field performance

• Fast global delivery in 5 working days

• Experienced spare parts supply for drilling and heavy machinery operations

• Clear communication for cross-checking part numbers and configurations

When you order the 30370201 / 303 702 01 HL500 S HYDRAULIC MOTOR OMSU 80 SANDVIK from 3GEN Export, you’re choosing a supply chain designed for real maintenance schedules—not wishful timelines.

Frequently Searched Part Number Formats (We Support Both)

• 30370201

• 303 702 01

• HL500 S Hydraulic Motor OMSU 80

• HL500S OMSU 80 motor

• 30370201 HL500S motor

If your purchasing team uses a different internal code, share it—we’ll match it against the correct configuration.

Manufactured in Turkey, these products are made using the latest technologies and built to meet the highest international standards. Each machine is a high-quality copy of the original, ensuring durability, precision, and performance that you can rely on for modern construction and metalworking projects.