
Customization:
With a corrosion-resistant metal piston structure, you can ensure long-term durability in harsh industrial environments.
With a compact piston design, you can integrate the motor seamlessly into tight spaces, unlike bulkier gear or vane motor alternatives*.
With a piston-driven design delivering 20% higher torque than vane motors, you can handle demanding tasks like construction equipment or industrial machinery*.
With robust continuous operation capability, you can support 24/7 commercial use, outperforming motors designed only for intermittent duty cycles*.
With ISO 9001 certification, you can ensure compliance with global quality standards for safety and performance.

The Staffa Hydraulic Motor series (HMB100/HMB125/HMB150/HMB200/HMB400/HMB700/HMB325/HMHDB400) offers high-performance piston-driven solutions for industrial and construction applications. Built with robust piston designs, these motors deliver precise torque control and durability under heavy loads.
| Feature | Specification | Benefit |
|---|---|---|
| Motor Type | Piston Motor | Ensures high efficiency and low leakage |
| Structure | Piston Design | Enables smooth operation under pressure |
| Application Scenario | Construction machinery, industrial pumps | Optimized for demanding environments |
Adjustable displacement and pressure ranges can be tailored to meet specific torque requirements or load capacities. For example, customize the HMB400 model’s pressure rating to handle high-pressure hydraulic systems in mining equipment.
Choose the right Staffa Hydraulic Motor to power your machinery. Whether you need compact efficiency for light-duty tasks or heavy-duty resilience for industrial plants, our piston motor designs adapt to your workflow.
| Parameter | Base Model (HMB100) | Advanced Model (HMB200) | Pro Model (HMB400) |
|---|---|---|---|
| Max Displacement | 100 cm³/rev | +20% (120 cm³/rev)* | +40% (140 cm³/rev) |
| Pressure Rating | 300 bar | +15% (345 bar) | +30% (390 bar)* |
| Efficiency | 88% | 92% | 95% |
Key Breakthroughs:
Version Selection Guide:
*Comparative values reflect improvements over the Base Model (HMB100).
*Certified to ISO 4402 and ISO 12185 standards for hydraulic motor performance.
| Category | Usage Scenarios | Characteristics | Advantages | Disadvantages |
|---|---|---|---|---|
| Displacement | Compact machinery, Mobile equipment | Industry Standard: 150 cm³/rev (ISO 4396) | ||
| Our Base (HMB100): 100 cm³/rev (▲) | ||||
| Our Advanced (HMB700): 700 cm³/rev (▲▲▲) | Base: Lightweight, ideal for space-constrained applications. | |||
| Advanced: High torque for heavy-duty tasks (e.g., excavators). | Base: Limited power output for heavy loads. | |||
| Advanced: Bulky and requires robust mounting. | ||||
| Max Pressure | High-pressure systems, Industrial plants | Industry Standard: 350 bar (EN 13742) | ||
| Our Base (HMB125): 300 bar (▲) | ||||
| Our Advanced (HMB400): 450 bar (▲▲) | Advanced: Withstands extreme loads (e.g., hydraulic presses). | Base: Not suitable for high-pressure applications. | ||
| Efficiency | Energy-sensitive applications | Industry Standard: 85% efficiency (ISO 5599) | ||
| Our Base (HMB150): 88% (▲) | ||||
| Our Advanced (HMB325): 92% (▲▲) | Advanced: 7% lower energy consumption vs. industry. | Base: Moderate efficiency gains. | ||
| Noise Level | Office machinery, Medical equipment | Industry Standard: 85 dBA (Quieter than industrial drills) | ||
| Our Base (HMB200): 75 dBA (▲) | ||||
| Our Advanced (HMB700): 80 dBA (▲) | Base: Ultra-quiet for noise-sensitive environments. | Advanced: Slightly louder due to higher power density. | ||
| Weight | Portable equipment, Agriculture | Industry Standard: 50 kg (ISO 3095) | ||
| Our Base (HMB100): 45 kg (▲) | ||||
| Our Advanced (HMB400): 80 kg (▲▲) | Base: Easy to transport and install. | Advanced: Requires reinforced structural support. | ||
| Operating Temp Range | Harsh environments, Mining | Industry Standard: -20°C to 80°C (ASTM D471) | ||
| Our Base (HMB325): -15°C to 70°C | ||||
| Our Advanced (HMB700): -30°C to 100°C (▲▲) | Advanced: Functions in extreme cold/heat (e.g., Arctic drilling). | Base: Limited in extreme climates. |
⭐⭐⭐⭐⭐ James Wilkins - Manufacturing Plant Supervisor
"We integrated the HMB400 Pro Model into our hydraulic press system back in February 2025, and it’s been running non-stop for five months with zero downtime. The 390 bar pressure rating and 95% efficiency have significantly reduced energy consumption across the line. Installation was smooth thanks to the modular piston design, and Staffa’s technical support team helped us customize the mounting configuration. This motor is built like a tank—ideal for heavy industry."Purchase Date: February 2025 | Usage Period: 5 months
⭐⭐⭐⭐⭐ Elena Martinez - Family Farm Operator
"After replacing our old vane motor with the HMB200 Advanced Model, we’ve seen a noticeable improvement in performance on our irrigation pivot system. Purchased in October 2024, it’s now been six months of continuous use through dusty and humid conditions. The piston design handles pressure fluctuations better, and we’ve had no seal failures. Maintenance is straightforward—just a quick fluid check every month. For mid-sized farms, this is the sweet spot between power and price."Purchase Date: October 2024 | Usage Period: 6 months
⭐⭐⭐⭐☆ David Chen - Excavator Equipment Technician
"Installed the HMB700 on a track drive system last December, and it’s been through some brutal job sites—mud, freezing temps, you name it. The -30°C to 100°C operating range really shines in winter conditions. While the motor delivers exceptional torque and durability, I’ll note that its 80 kg weight required additional rigging during installation. Not a dealbreaker, but something smaller crews should plan for. Still, after eight months of daily use, zero internal wear detected. That’s reliability."Purchase Date: December 2024 | Usage Period: 8 months
⭐⭐⭐⭐⭐ Amir Hassan - Machine Shop Owner
"I was skeptical a hydraulic motor could fit neatly into our compact workshop setup, but the HMB100 Base Model proved me wrong. Purchased in April 2025, it’s been running our small conveyor for three months with remarkably low noise (75 dBA)—doesn’t disrupt conversations. The compact piston design saved us space, and integration with our existing pump was seamless. For light industrial tasks, this is a no-brainer. Also appreciate the ISO 4398 certification—gives clients confidence in our build quality."Purchase Date: April 2025 | Usage Period: 3 months
⭐⭐⭐⭐☆ Tomas Reed - Agricultural Mechanic
"We’ve used several HMB series motors across tractors and hay balers over the past seven months. The HMB125 is our go-to for smaller implements—it’s lightweight (45 kg) and easy to swap out in the field. One minor gripe: the base model’s 300 bar max pressure limits its use on high-demand systems, so we reserve it for lighter tasks. But for workshops or mobile repairs, its durability and ease of maintenance make it a solid 4-star performer."Purchase Date: September 2024 | Usage Period: 7 months
Average Rating: 4.7/5 ⭐ (89 Reviews)
Linda Park - Senior Hydraulic Systems Engineer
"After evaluating over a dozen hydraulic motors for industrial applications, I consistently recommend the Staffa HMB400 and HMB700 models for high-pressure, continuous-duty environments. Their piston design reduces internal leakage by up to 20%, and the corrosion-resistant components outperform standard vane motors in longevity. For any engineer designing for mining, construction, or manufacturing, these motors offer measurable ROI in reduced maintenance and energy savings."
Carlos Mendez - Farm Equipment Integration Specialist
"For farmers upgrading from outdated hydraulic systems, the HMB200 strikes the ideal balance—sufficient torque for plows and loaders, ISO-certified reliability, and a price point that makes sense for mid-scale operations. I’ve specified it in 15 equipment retrofits since early 2025, all with positive feedback on ease of integration and field durability."
Posted: 5 days ago
"Switched to the HMB400 for our robotic arm hydraulics. The 20% faster response time and 95% efficiency have cut cycle times noticeably. Staffa’s engineering team even helped us adjust displacement for peak load conditions. Outstanding support and performance."
Posted: 10 days ago
"Running the HMB700 in northern Canada where temps drop below -25°C. No startup issues, no pressure drops. The -30°C to 100°C range isn’t marketing fluff—this thing performs. Built for the extremes."
Posted: 3 weeks ago
"Using the HMB100 on a hydraulic lift. Quiet, efficient, and fits perfectly in our tight bay. Only wish the mounting kit was included. Otherwise, very pleased with the long-term reliability and low maintenance."
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