Woodward L-Series Mechanical Governor | 041820
Woodward 041820 mechanical governor for diesel and gas engines. Provides precise speed control and regulation for industrial engine applications.
The Woodward 041820 is a high-performance mechanical governor designed for precise speed control of diesel and gas engines in industrial applications. This governor utilizes Woodward's proven flyweight and spring mechanism to provide reliable speed regulation without the need for electrical power or external control signals.
Built with Woodward's decades of experience in engine control technology, this mechanical governor offers exceptional durability and long service life in harsh industrial environments. The unit features robust construction with precision-machined components that ensure consistent performance across a wide range of operating conditions.
Availability
In stock
This part is in stock at Z Power Electric and ships from our Calimesa, California warehouse.
Catalog pricing
Add this item to your cart or contact Z Power Electric for quantity pricing, lead-time support, and backorder recovery.
- 30-day returnsOn standard orders
- 24-hour quoteFrom our sourcing team

Quick facts
- Brand
- Woodward
- Part number
- 041820
- Condition
- New – Open box
- Category
- Automation & Control
Product tags
Product overview
Ideal for applications including generator sets, pumps, compressors, and other industrial equipment where reliable speed control is critical. The governor provides excellent load response characteristics and maintains stable engine operation during load changes and transient conditions.
This governor is commonly used in backup power systems, marine applications, and industrial machinery where dependable mechanical speed control is required without reliance on electronic systems.
Specifications
- Part Number
- 041820
- Type
- Mechanical Governor
- Speed Range
- Verify with manufacturer
- Engine Compatibility
- Diesel and Gas Engines
- Operating Temperature
- -40°F to 185°F (-40°C to 85°C)
- Weight
- Approximately 15-25 lbs
- Mounting
- Engine mounted
- Fuel System
- Compatible with mechanical fuel injection
- Speed Droop
- Adjustable
- Overspeed Protection
- Built-in
Key features
- Mechanical flyweight and spring speed control mechanism
- No electrical power required for operation
- Robust construction for harsh industrial environments
- Precise speed regulation and load response
- Compatible with diesel and gas engines
- Long service life with minimal maintenance requirements
Part number breakdown
Woodward part number 041820 breakdown:
04 - Likely indicates the governor series or family designation
1820 - Specific model configuration indicating speed range, mounting style, and application specifications
This part number format is typical of Woodward's mechanical governor numbering system where the initial digits identify the product family and the remaining digits specify the particular configuration and options.
Why buy from Z Power Electric
- Independent Sourcing — We source through independent channels to find parts others can't.
- Quality Assurance — Every part is inspected and verified before shipping.
- Fast Response — 24-hour quote turnaround on most requests.
- Global Reach — Serving maintenance teams and procurement managers worldwide.
Not what you're looking for? We source alternates, discontinued parts, and backordered inventory for urgent maintenance needs.
Request a quoteQuestions about this part
Where can I buy the Woodward 041820?
This part is in stock at Z Power Electric and ships from our Calimesa, California warehouse. Z Power Electric is an independent MRO supplier in Calimesa, California — we buy outside authorized distribution, which is why we can quote parts that a standard distributor shows as unavailable.
Is the Woodward 041820 discontinued or obsolete?
Manufacturer lifecycle status changes by part number and region, so we confirm it per quote rather than publishing a claim that may be out of date. Either way it does not change what we do: we source discontinued, obsolete, and backordered parts as a matter of course, and the quote states whether we located the original or are proposing an equivalent.
How long does it take to get a quote on the Woodward 041820?
We respond to every sourcing request within 24 hours, and the quote states a confirmed ship date rather than an estimate. Mark the request urgent if the part is holding up a line.
Is Z Power Electric an authorized Woodward distributor?
No — and that is the point. Z Power Electric is an independent supplier, so we are not limited to Woodward's authorized channel or its order book. We source through surplus, new-old-stock, and independent inventory, and we state the condition and source channel of every unit on the quote.
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