Sai Hydraulics
Sai Hydraulics is a privately held US manufacturer, founded in 1979, that designs and builds radial piston hydraulic motors, planetary gearboxes, wheel drives, and rotary manifolds sold to industrial OEMs and distributors across agriculture, construction, mining, marine, and other heavy-equipment verticals.
- Company typePrivate
- Founded1979
- HeadquartersAston, United States
- Headcount11–50
- GTM typeB2B
- OfferingHardware or Manufacturing
What Sai Hydraulics does
Sai Hydraulics, Inc., founded in 1979 and headquartered in Linwood, Pennsylvania (with a wholly-owned Canadian subsidiary in Saint-Léonard, Quebec), designs and manufactures radial piston hydraulic motors and complementary drivetrain components for industrial OEMs and distributors worldwide. Its core product line spans six motor series (FS, GM, GS, TF as fixed-displacement; B and T as dual/variable displacement) plus PSR planetary gearboxes, PSW wheel drives, and rotary manifolds. The company's technical differentiation rests on a proprietary architecture combining crankshaft structures with roller bearings, swiveling cylinders, and continuous displacement variation, which it claims delivers high starting torque, sustained volumetric efficiency over thousands of hours, contamination and cavitation resistance, and thermal shock tolerance. Quantified performance claims include up to 98.5% efficiency per stage in PSR gearboxes, output torque up to 295,030 ft-lb, transmissible power up to 1,207 HP, and rotation speeds up to three times higher than traditional radial piston motors in the GS series.
The company operates a B2B enterprise sales motion, pricing through a Request a Quote system with no publicly listed prices, and serves at least eight end-market verticals: agriculture, forestry, construction, mining, marine, drilling, industrial, and multipurpose equipment. Distribution combines direct enterprise sales via the USA and Canada regional offices with a global network of distributors and wholly-owned international subsidiaries. Sai Hydraulics is privately held with no disclosed external funding, M&A activity, patents, awards, or named customers in the source data, and reports a headcount in the 11-50 range. Its primary growth levers, based on observable signals, are product-line extensions (notably electronically controlled variable displacement motors) and continued expansion of its global distributor and OEM channel rather than digital, AI, or platform-based monetization.
Sai Hydraulics firmographics
Firmographics- Name
- Sai Hydraulics
- Legal name
- SAI Hydraulics, Inc.
- Website
- https://web.saihyd.com
- Company type
- Private
- Founded year
- 1979
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- Sai Hydraulics is a privately held US manufacturer, founded in 1979, that designs and builds radial piston hydraulic motors, planetary gearboxes, wheel drives, and rotary manifolds sold to industrial OEMs and distributors across agriculture, construction, mining, marine, and other heavy-equipment verticals.
- Ownership category
- akta.pro rank
Sai Hydraulics industry classification
Industry- Product category
- Hydraulic Motors and Powertrain Components
- NAICS
- Fluid Power Pump and Motor Manufacturing (333996), Mechanical Power Transmission Equipment Manufacturing (333613)
- SIC
- Special Industry Machinery (No Metalworking Machinery) (3550)
- akta.pro primary industry
- Hydraulic Components (Pumps, Motors, Cylinders) (IMAHAGAA)
- akta.pro secondary industries
- Proportional & Servo Hydraulics (Electrohydraulic Valves, Servo Systems) (IMAHAGAF), Hydraulic Power Units & Systems (HPUs, Manifolds, Integrated Circuits) (IMAHAGAB)
Keywords
Where Sai Hydraulics is headquartered
LocationHeadquarters
- HQ city
- Aston
- HQ country
- United States
- HQ region
- North America
Offices2 records
Markets served
Sai Hydraulics business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Supply Chain, Operations, Personnel, Marketing or Sales, Technology or R&D
Revenue model
- Hydraulic Motors Sales: SAI Hydraulics generates revenue through the manufacture and sale of radial piston hydraulic motors, including fixed displacement, dual displacement, and variable displacement models across multiple series (FS, GM, GS, TF, B, T series).
- Planetary Gearboxes Sales: Sale of PSR Series planetary gearboxes including in-line and right-angle configurations, with output torque up to 295,030 ft-lb and transmissible power up to 1,207 HP.
- Wheel Drives Sales: Sale of PSW Series wheel drives with displacements from 23.79 to 359.57 in³/rev, available in single, dual or variable speed configurations.
- Rotary Manifolds Sales: Sale of rotary manifolds available for hydraulic, electric, or hybrid motors with 2 to 24 passages and working pressures up to 6,000 PSI.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Multi-year contract | B2B industrial equipment pricing |
Go-to-market motion2 records
Distribution channels3 records
Marketing channels3 records
Sai Hydraulics product offering
Product offeringCore offering
SAI Hydraulics designs and manufactures radial piston hydraulic motors, planetary gearboxes, wheel drives, and rotary manifolds. The company produces fixed displacement series (FS, GM, GS, TF), dual and variable displacement series (B, T), PSR planetary gearboxes, PSW wheel drives, and rotary manifolds used in agriculture, construction, mining, marine, drilling, forestry, and industrial machinery. Products are sold to OEMs and distributors globally through a quote-based system and supported by regional offices in the USA and Canada.
Product overview
SAI Hydraulics is a leading manufacturer of hydraulic motors and related products organized into four main product families: hydraulic motors (including Fixed Displacement series: FS, GM, GS, TF; and Dual/Variable Displacement series: B, T), planetary gearboxes (PSR Series), wheel drives (PSW Series), and rotary manifolds. The motors utilize core technologies including crankshafts, swiveling cylinders, and continuous displacement variation to produce high efficiency and control. These products serve diverse industrial applications across agriculture, construction, mining, marine, and drilling sectors.
Differentiator
Problem solved
Functional benefit
Brands
- Plan-Star Wheel Drive Series (PSW): Wheel drive product line including fixed and dual/variable displacement options for various applications
- Plan-Star Revolution Series (PSR)
Products and services
- FS Series Fixed Displacement Hydraulic Motors Next-generation single displacement hydraulic motors with compact design, wide range of displacement options (2.46 to 43.01 in³/rev), and interchangeable mounting faces for SAE-A,-B,-C,-D mounts enabling quick and easy installation for OEM and industrial applications.
- GM Series Fixed Displacement Hydraulic Motors Fixed displacement hydraulic motors with high mechanical and volumetric efficiency, excellent cavitation resistance, and displacements from 2.38 to 284.55 in³/rev, designed for reliability and speed control in OEM and industrial applications.
- GS Series Fixed Displacement Hydraulic Motors Fixed displacement hydraulic motors capable of reaching rotation speeds up to 3 times higher than traditional radial piston motors, with high power density, excellent cavitation resistance, and displacements from 2.38 to 153.35 in³/rev for OEM and industrial applications.
- TF Series Fixed Displacement Hydraulic Motors Fixed displacement hydraulic motors with sustainable capacity and high pressure for heavy duty use, featuring high specific power and 7-cylinder design that guarantees stable and continuous torque supply for OEM and industrial applications.
- T Series Variable Displacement Hydraulic Motors Variable displacement hydraulic motors ideal for heavy duty use, with sustainable capacity and high pressure. TV motors enable continuous displacement variation reaching zero displacement from any maximum; TD motors offer dual displacement options for OEM and industrial applications.
- PSR Series Planetary Gearboxes Complete range of multi-purpose in-line and right-angle planetary gearboxes operable by electric or hydraulic motors. Features 33 sizes, output torque up to 295,030 ft-lb, transmissible power up to 1,207 HP, ratios from 3 to over 3000:1, and up to 98.5% efficiency per stage for OEM and industrial applications.
- PSW Series Wheel Drives Plan-Star Wheel Drive Series for mobile machinery applications with displacements from 23.79 to 359.57 in³/rev, available in single, dual, or variable speed configurations, with optional brakes, disconnects, speed sensors, and free wheel options for OEM and industrial applications.
- Rotary Manifolds Rotary manifolds available for hydraulic, electric, or hybrid motors with 2 to 24 passages, port sizes up to 2 inches, and working pressures up to 6,000 PSI. Hard chromed cylinder suitable for oil, water, or air for OEM and industrial applications.
Quantifiable outcome
- High starting torque through roller bearing crankshaft design
- +6 more outcomes
Companies that use Sai Hydraulics
Customer profileSegments8 records
Ideal customer profiles2 records
Sai Hydraulics technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature7 records
Sai Hydraulics partnerships and signals
Strategic signalScale indicators1 record
Recent moves6 records
Expansion highlights5 records
Sai Hydraulics competitors and assessment
Company assessmentMarket position
Competitive moat4 records
Key risks5 records
Key highlights6 records
Customer concentration
Sai Hydraulics social profiles
Digital presenceSai Hydraulics financial estimates
Financial estimateRevenue estimate
Valuation estimate
Sai Hydraulics leadership team
Management profileNumber of profiles
Sai Hydraulics subsidiaries and ownership
Company hierarchySubsidiaries1 record
Sai Hydraulics funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Sai Hydraulics M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Sai Hydraulics
What does Sai Hydraulics do?
SAI Hydraulics designs and manufactures radial piston hydraulic motors, planetary gearboxes, wheel drives, and rotary manifolds. The company produces fixed displacement series (FS, GM, GS, TF), dual and variable displacement series (B, T), PSR planetary gearboxes, PSW wheel drives, and rotary manifolds used in agriculture, construction, mining, marine, drilling, forestry, and industrial machinery. Products are sold to OEMs and distributors globally through a quote-based system and supported by regional offices in the USA and Canada.
Is Sai Hydraulics a public or private company?
Sai Hydraulics is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was Sai Hydraulics founded?
Sai Hydraulics was founded in 1979. It employs 11 to 50 people.
Where is Sai Hydraulics based?
Sai Hydraulics is headquartered in Aston, United States, in the North America region.
How does Sai Hydraulics make money?
Four revenue lines are on record. Hydraulic Motors Sales are the primary driver. The others are planetary Gearboxes Sales, wheel Drives Sales and rotary Manifolds Sales.
Does Sai Hydraulics have an API?
No public API is recorded for Sai Hydraulics.
What industry is Sai Hydraulics in?
Sai Hydraulics's product category is Hydraulic Motors and Powertrain Components. Its primary akta.pro industry code is IMAHAGAA, Hydraulic Components (Pumps, Motors, Cylinders), with a secondary code of IMAHAGAF, Proportional & Servo Hydraulics (Electrohydraulic Valves, Servo Systems). Its NAICS code is 333996 and its SIC code is 3550.