Woodward UG-25+ Electronic-Hydraulic Governor
Responsive governor combines the best of electronic and hydraulic technologies for optimal engine operation.
The UG-25+ governor is a microprocessor-controlled, mechanical-hydraulic amplified governor for controlling diesel, gas and dual fuel engines, and steam turbines. The UG-25+ offers enhanced control capabilities, such as start fuel and boost limiting schemes. The additional transient fuel limiting (jump-rate) improves the engine load acceptance and reduces transient emissions significantly.
- State-of-the-art speed sensing and control algorithms
- Enhanced PID dynamics
- Configurable speed settings and adjustment rates
- Multiple fuel limiting algorithms, such as jump-rate, boost pressure, and start fuel limiting
- Comprehensive diagnostics for easy troubleshooting
- End-of-line programmability simplifies inventory
Next Generation UG-25+ P3
Since its introduction as a Woodward governor in 2006, we have driven continuous product improvements toward this next generation P3 version. In addition to enhanced performance in high-vibration environments, the P3 is also equipped with a new customer electrical interface.
Here's how the UG-25+ P3 benefits Woodward customers.
The UG-25+ P3 is a fully-compatible replacement product for all previous P0/P1 versions, which were phased out of production on April 1, 2012. We recommend that customers upgrade their UG-25+ P0/P1 versions to the new P3 version at the next service overhaul to gain the benefits of this improved P3 design (e.g., significantly increased service interval compared to the P0/P1 versions). Customers are also offered an option to get their P0/P1 versions serviced and repaired. These upgrade and repair programs are offered through Woodward Certified Overhaul Partners (see tab below). After this first update, the UG-25+ P3 governor can be serviced as usual at any Woodward Authorized Independent Service Facility (AISF) around the world.
For details on the UG-25+ P3 please see technical manual 26579.
UG-25+ P3 Actuator
The P3 actuator has a work output range of 25 to 31 ft-lb. For actuator details, please see technical manual 26580 and product specification 03386.
These Woodward Certified Overhaul Partners can upgrade your UG-25+ P0/P1 to the new P3.
After this upgrade, the UG-25+ P3 governor can be serviced at any Woodward Authorized Independent Service Facility (AISF) around the world.
Woodward Certified Overhaul Partners
Governor Control Systems Inc. (GCS)
Fort Lauderdale, FL, USA. Phone: +1 954-462-7404 Email: firstname.lastname@example.org
Drake Controls West LLC
Buena Park, CA. USA. Phone: +1 909-599-9000 Email: email@example.com
DLC Diesel Line Cambui Ltd
Campinas, SP, Brazil. Phone: +55 (19) 9291-7223 Email: firstname.lastname@example.org
Europe, Africa, Middle East
Turner Engine Controls BV
Hoofddorp, Netherlands. Phone: +31 23 566 2300 Email: email@example.com
Southern Europe, Africa
Piraeus, Greece. Phone: +30 (210) 4001657 Email: firstname.lastname@example.org
Far East, Australia, India
PM Control Systems Pte Ltd
Singapore. Phone: +65 6779-2822 Email: email@example.com
Kobe, Japan. Phone: +81 (78) 928-8321 Email: firstname.lastname@example.org
Jewon Engineering Co. Ltd
Busan, Korea. Phone: +82 (51) 264-1377 Email: email@example.com
Dalian COSCO Rikky Ocean Engineering Co. Ltd
Dalian, China. Phone: +86 (513) 83519795 Email: firstname.lastname@example.org
Woodward will continue to support the governors with the part numbers listed below until January 1, 2014 by exchanging them with updated UG-25+ P3 governors. The P3 governors will have new Woodward part numbers with a one-to-one correspondence to those part numbers listed below, to ensure complete Woodward part number and serial number traceability.
8528-001 8528-002 8528-003 8528-004 8528-005 8528-006
8528-007 8528-008 8528-009 8528-010 8528-011 8528-014
8528-019 8528-020 8528-022-1 8528-022-4 8528-026
8528-0001 8528-0001-1 8528-0001-2 8528-0001-3 8528-0001-4
8528-0003 8528-0003-1 8528-0003-2 8528-0003-3 8528-0003-4
8528-0004 8528-0004-1 8528-0004-2 8528-0004-3 8528-0004-4 8528-0004-5
8528-0005 8528-0005-1 8528-0005-2 8528-0005-3 8528-0005-4 8528-0005-5
8528-0007-1 8528-0007-2 8528-0007-3 8528-0007-4 8528-0007-5
8528-0008 8528-0008-1 8528-0008-2 8528-0008-3 8528-0008-4 8528-0008-5
8528-0009 8528-0009-1 8528-0009-2 8528-0009-3 8528-0009-4 8528-0009-5
8528-0010 8528-0010-1 8528-0010-2 8528-0010-3 8528-0010-4 8528-0010-5
8528-0011 8528-0011-1 8528-0011-2
8528-0012-1 8528-0012-2 8528-0012-3 8528-0012-4 8528-0012-5 8528-0012-6
8528-0013 8528-0014 8528-0015 8528-0016 8528-0017 8528-0018 8528-0019
UG-25+ marine type approval certificates have been renewed and updated for the P3 version models. There is no functional difference between P0/P1 and P3 versions.
The table below shows the P3 item numbers that replace P0/P1 item numbers. For each P0/P1 part number there are two possible replacement part numbers of P3, indicating the position of the oil gauge on either the right or left side of the governor.
8528-114 (Right) 8528-116 (Left)
8528-118 (Right) 8528-120 (Left)
8528-104 (Right) 8528-106 (Left)
8528-100 (Right) 8528-102 (Left)
8528-115 (Right) 8528-117 (Left)
8528-101 (Right) 8528-103 (Left)
8528-119 (Right) 8528-121 (Left)
8528-105 (Right) 8528-107 (Left)