3863439 MOTOR AS-GOVERNOR Caterpillar parts
320D2, 320D2 GC, 320D2 L
Rating:
Alternative (cross code) number:
CA3863439
386-3439
3863439
CA3863439
386-3439
3863439
Weight: 4 pounds 1 kg.
EXCAVATOR,
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US$168.50
14 Jul 2025
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386-3439 3863439 AS Governor Motor Fit for Caterpillar for CAT Excavator 320D2 320D2 GC 320D2 L with Engine C7.1
tranculty ????Part Name:AS Governor Motor || ????Part Number:386-3439 3863439 || ????Application:Fit for Caterpillar for CAT Excavator 320D2 320D2 GC 320D2 L with Engine C7.1 || ????Need more parts? Contact us now! As a dedicated sales team, we offer an extensive range of products to meet your needs. Trusted by countless satisfied buyers, we guarantee top-notch quality and exceptional service. Shop with confidence—your perfect shopping experience awaits! || ????If you're unsure about product compatibility with your machine model, please provide your engine nameplate/serial number and part number for a swift suitability check. To avoid delays and unnecessary returns, double-check the product image and part number before ordering. Thank you for your cooperation!
tranculty ????Part Name:AS Governor Motor || ????Part Number:386-3439 3863439 || ????Application:Fit for Caterpillar for CAT Excavator 320D2 320D2 GC 320D2 L with Engine C7.1 || ????Need more parts? Contact us now! As a dedicated sales team, we offer an extensive range of products to meet your needs. Trusted by countless satisfied buyers, we guarantee top-notch quality and exceptional service. Shop with confidence—your perfect shopping experience awaits! || ????If you're unsure about product compatibility with your machine model, please provide your engine nameplate/serial number and part number for a swift suitability check. To avoid delays and unnecessary returns, double-check the product image and part number before ordering. Thank you for your cooperation!
BCXFORK 3863439 386-3439 Throttle Motor Governor Compatible for Caterpillar CAT 320D2 312D2
BCXFORK ✅ Replacement Part Number: 3863439 || ✅ Equipment Fitment: Compatible for 3863439 386-3439 Throttle Motor Governor Compatible for Caterpillar CAT 320D2 312D2 || ✅ Engine Compatibility: Ensures precise throttle and fuel system control || ✅ Durable Construction: Built with high-quality materials for long-lasting performance || ✅ Easy Installation: Direct fit aftermarket part for quick replacement
BCXFORK ✅ Replacement Part Number: 3863439 || ✅ Equipment Fitment: Compatible for 3863439 386-3439 Throttle Motor Governor Compatible for Caterpillar CAT 320D2 312D2 || ✅ Engine Compatibility: Ensures precise throttle and fuel system control || ✅ Durable Construction: Built with high-quality materials for long-lasting performance || ✅ Easy Installation: Direct fit aftermarket part for quick replacement
386-3439 3863439 Throttle Stepping Motor for Cat Caterpillar 320D2 320D2GC 320D2L Excavator
BYPARTSJC Part Number:386-3439 3863439 || Function: 1. Control engine speed: The throttle motor drives the throttle mechanism movement by receiving the electric signal from the control system, thus regulating the engine speed and controlling the excavator's operating speed and power. 2. Improve control precision: Compared with the traditional mechanical throttle control, the throttle motor can realize more precise speed control, which improves the excavator's working efficiency and fuel economy. || Types: 1. DC motor: usually used in small excavators, with the advantages of simple structure and low cost. 2. AC motor: mostly used in medium and large excavators, characterized by high power and fast response speed. || Use and Maintenance: 1. Regular Inspection: Check the throttle motor for abnormal sound, overheating or stalling to ensure its normal operation. 2. Cleaning and maintenance: Keep the throttle motor and its surroundings clean to avoid dust and oil affecting the performance of the motor. 3. Timely Replacement: When you find the throttle motor has signs of failure or performance degradation, it should be replaced in time to avoid affecting the normal operation of the excavator. || Faults and Solutions: 1. Motor does not work: may be due to power supply problems, poor wiring contact or motor itself fault, need to check and replace. 2. Inaccurate control: may be due to motor wear or control system problems, need to check and adjust.
BYPARTSJC Part Number:386-3439 3863439 || Function: 1. Control engine speed: The throttle motor drives the throttle mechanism movement by receiving the electric signal from the control system, thus regulating the engine speed and controlling the excavator's operating speed and power. 2. Improve control precision: Compared with the traditional mechanical throttle control, the throttle motor can realize more precise speed control, which improves the excavator's working efficiency and fuel economy. || Types: 1. DC motor: usually used in small excavators, with the advantages of simple structure and low cost. 2. AC motor: mostly used in medium and large excavators, characterized by high power and fast response speed. || Use and Maintenance: 1. Regular Inspection: Check the throttle motor for abnormal sound, overheating or stalling to ensure its normal operation. 2. Cleaning and maintenance: Keep the throttle motor and its surroundings clean to avoid dust and oil affecting the performance of the motor. 3. Timely Replacement: When you find the throttle motor has signs of failure or performance degradation, it should be replaced in time to avoid affecting the normal operation of the excavator. || Faults and Solutions: 1. Motor does not work: may be due to power supply problems, poor wiring contact or motor itself fault, need to check and replace. 2. Inaccurate control: may be due to motor wear or control system problems, need to check and adjust.
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Information:
Engine: C3.3 (S/N: E3J1-UP)Industrial Engine: 3054C (S/N: 3341-UP)Introduction
Reference"General Information"There are two types of Logic Control Governor, the LCG1 and the LCG2.The Caterpillar Logic Control Governor is an electronic governor for speed control which contains a rotary actuator. The circuit board for the controller is in the same housing. The unit can provide a number of preset speeds, bias spring and control settings. The unit also provides the link for the diagnostic and the data functions. This manual covers installation, the programming of software and diagnostics. The functionality of the control unit can be changed with the service tool software.
Do not perform any procedure that is outlined in this publication until you have read the information and understand the information.
Note: Trained personnel should only carry out installation and servicing. By using proper tools, also correct procedures to carry out the installation.Function
Functions that set the speed of the governor are listed below.
Select 50/60 Hz in order to select 1500 rpm or 1800 rpm as the governor speed. This is based on the voltage input when the voltage inputs are applied to the governor.
50/60 Hz can increase engine speed.Raise / lower adjust can decrease engine speed. This is based on voltage inputs while the engine is in operation. The functions of the speed bias are listed below.
The isochronous speed cannot change the speed of the governor. The functions that sense the speed are listed below.
Magnetic Pick Up (MPU) speed sensing converts flywheel speed or the pulse for the ring gear speed into engine speed, in rpm. Control functions are listed below.
The coefficients for the speed control are reset, compensation and gain. The logic and support functions are listed below.
Overspeed error can determine when the actual engine speed is too high.
Underspeed error can determine when the actual engine speed is too low.
Fail safe error. Detect engine speed low of the signal input.
Error on configuration will detect a configuration that has not been downloaded to the controller.
Relay control controls the driver for the relay output during error conditions.
Fault storage. Whenever an error has occurred a fault code is recorded. The fault code is recorded as a Electronic Erasable Programmable Read Only Memory (EEPROM) format.
"Governor state". The generated code by the engine is detected by the governor state: off, crank, start, run, or error. The error is based on code that is generated.Service Software
The LCG1 and LCG2 have a digital control system with no externally accessible adjustment. Software is available in order to help the dealer or the Original Equipment Manufacturer (OEM) with each phase of the application, manufacture and field service. The software for the LCG1 and the LCG2 is compatible with Windows 2000/XP software. The software gives the dealer and the OEM the ability to perform the following procedures:
Input software files to the LCG1 and the LCG2.
Enable the technician to view fault codes .
Enable the Logic control governor software to be updated during the field service.The logic control governor service tools are available from your Caterpillar dealer.Refer to Special Instruction, "Caterpillar Logic
Reference"General Information"There are two types of Logic Control Governor, the LCG1 and the LCG2.The Caterpillar Logic Control Governor is an electronic governor for speed control which contains a rotary actuator. The circuit board for the controller is in the same housing. The unit can provide a number of preset speeds, bias spring and control settings. The unit also provides the link for the diagnostic and the data functions. This manual covers installation, the programming of software and diagnostics. The functionality of the control unit can be changed with the service tool software.
Do not perform any procedure that is outlined in this publication until you have read the information and understand the information.
Note: Trained personnel should only carry out installation and servicing. By using proper tools, also correct procedures to carry out the installation.Function
Functions that set the speed of the governor are listed below.
Select 50/60 Hz in order to select 1500 rpm or 1800 rpm as the governor speed. This is based on the voltage input when the voltage inputs are applied to the governor.
50/60 Hz can increase engine speed.Raise / lower adjust can decrease engine speed. This is based on voltage inputs while the engine is in operation. The functions of the speed bias are listed below.
The isochronous speed cannot change the speed of the governor. The functions that sense the speed are listed below.
Magnetic Pick Up (MPU) speed sensing converts flywheel speed or the pulse for the ring gear speed into engine speed, in rpm. Control functions are listed below.
The coefficients for the speed control are reset, compensation and gain. The logic and support functions are listed below.
Overspeed error can determine when the actual engine speed is too high.
Underspeed error can determine when the actual engine speed is too low.
Fail safe error. Detect engine speed low of the signal input.
Error on configuration will detect a configuration that has not been downloaded to the controller.
Relay control controls the driver for the relay output during error conditions.
Fault storage. Whenever an error has occurred a fault code is recorded. The fault code is recorded as a Electronic Erasable Programmable Read Only Memory (EEPROM) format.
"Governor state". The generated code by the engine is detected by the governor state: off, crank, start, run, or error. The error is based on code that is generated.Service Software
The LCG1 and LCG2 have a digital control system with no externally accessible adjustment. Software is available in order to help the dealer or the Original Equipment Manufacturer (OEM) with each phase of the application, manufacture and field service. The software for the LCG1 and the LCG2 is compatible with Windows 2000/XP software. The software gives the dealer and the OEM the ability to perform the following procedures:
Input software files to the LCG1 and the LCG2.
Enable the technician to view fault codes .
Enable the Logic control governor software to be updated during the field service.The logic control governor service tools are available from your Caterpillar dealer.Refer to Special Instruction, "Caterpillar Logic
Caterpillar parts catalog:
Parts motor Caterpillar catalog:
318C, 318E L, 319D L, 319D LN, 320C, 320C FM, 320C L, 320D, 320D FM, 320D FM RR, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 320D2, 320D2 GC, 320D2 L, 320E, 320E L, 320E LN, 320E LRR, 320E RR, 321C, ...
320C, 320C FM, 320C L, 320D, 320D FM, 320D FM RR, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 320D2, 320D2 GC, 320D2 L, 320E, 320E L, 320E LN, 320E LRR, 320E RR, 321C, 321D LCR, 323D L, 323D LN, 323D...
3154370
MOTOR & MTG GP-SWING
320D, 320D FM, 320D2, 320D2 L
320D, 320D FM, 320D2, 320D2 L
3349986
MOTOR & MTG GP-TRAVEL
318E L, 319D L, 319D LN, 320D, 320D GC, 320D L, 320D LRR, 320D RR, 320D2, 320D2 GC, 320D2 L, 320E, 320E L, 320E LN, 320E LRR, 320E RR, 321D LCR, 323D L, 323D LN, 323D2 L, 323E L, 324D, 324D L, 324E, 3...
318E L, 319D L, 319D LN, 320D, 320D GC, 320D L, 320D LRR, 320D RR, 320D2, 320D2 GC, 320D2 L, 320E, 320E L, 320E LN, 320E LRR, 320E RR, 321D LCR, 323D L, 323D LN, 323D2 L, 323E L, 324D, 324D L, 324E, 3...
2159982
MOTOR & MTG GP-TRAVEL
315D L, 319D, 319D L, 319D LN, 320D, 320D FM, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 320D2, 321D LCR, 322C, 323D L, 323D LN, 324D, 324D L, 324D LN
315D L, 319D, 319D L, 319D LN, 320D, 320D FM, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 320D2, 321D LCR, 322C, 323D L, 323D LN, 324D, 324D L, 324D LN
3349969
MOTOR GP-SWING
320D, 320D FM, 320D2, 320D2 L
320D, 320D FM, 320D2, 320D2 L
2931140
MOTOR AS-WINDOW WIPER
312C L, 315C, 318C, 320C, 320C FM, 320C L, 320D, 320D L, 320D LN, 320D LRR, 320D RR, 320D2, 320D2 L, 322C, 323D L, 323D2 L, 324D, 324D L, 325C, 325D, 325D L, 325D MH, 329D, 329D L, 330C L, 330C MH, 33...
312C L, 315C, 318C, 320C, 320C FM, 320C L, 320D, 320D L, 320D LN, 320D LRR, 320D RR, 320D2, 320D2 L, 322C, 323D L, 323D2 L, 324D, 324D L, 325C, 325D, 325D L, 325D MH, 329D, 329D L, 330C L, 330C MH, 33...
307D, 311D LRR, 311F LRR, 312D, 312D L, 312D2, 312D2 GC, 312D2 L, 313D, 313D2, 313D2 LGP, 314E CR, 314E LCR, 315D L, 318D L, 318D2 L, 319D, 319D L, 319D LN, 320D, 320D FM, 320D FM RR, 320D GC, 320D L,...
307D, 311D LRR, 311F LRR, 312D, 312D L, 312D2, 312D2 GC, 312D2 L, 313D, 313D2, 313D2 LGP, 315D L, 318D L, 318D2 L, 319D, 319D L, 319D LN, 320D, 320D FM, 320D FM RR, 320D GC, 320D L, 320D LN, 320D LRR,...
307D, 311D LRR, 311F LRR, 312D, 312D L, 312D2, 312D2 GC, 312D2 L, 313D, 313D2, 313D2 LGP, 315D L, 318D L, 318D2 L, 319D, 319D L, 319D LN, 320D, 320D FM, 320D FM RR, 320D GC, 320D L, 320D LN, 320D LRR,...
311D LRR, 311F LRR, 312D, 312D L, 312D2, 312D2 GC, 312D2 L, 313D, 313D2, 313D2 LGP, 315D L, 318D L, 318D2 L, 319D L, 320D, 320D FM, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 320D2, 320D2 GC, 320D2 ...
4240333
MOTOR AS-WINDOW WIPER
320D2, 336D2, MH3037, MH3049, MH3059
320D2, 336D2, MH3037, MH3049, MH3059
4375852
MOTOR GP-GEROTOR
SAT223, SAT22DB, SAT318, SAT318T, SAT322, SAT420, SAT630
SAT223, SAT22DB, SAT318, SAT318T, SAT322, SAT420, SAT630
4557290
MOTOR AS-BLOWER
525D, 535D, 545D, 555D
525D, 535D, 545D, 555D
525D, 535D, 545D, 555D
3467441
MOTOR AS-WINDOW WIPER
324D L, 324E, 324E LN, 329D L, 329D LN, 329E, 329E L, 329E LN, 330D, 336D L, 336D LN, 336E, 336E H, 336E HVG, 336E LH, 336E LN, 345D, 345D L, 345D L VG, 349E, 349E L HVG, 349E L VG, 374F L, 390F L
324D L, 324E, 324E LN, 329D L, 329D LN, 329E, 329E L, 329E LN, 330D, 336D L, 336D LN, 336E, 336E H, 336E HVG, 336E LH, 336E LN, 345D, 345D L, 345D L VG, 349E, 349E L HVG, 349E L VG, 374F L, 390F L
324D, 336D L, 336D2, 336D2 L, 349D L
4202951
MOTOR
2384C, 2484C, 559C, 579C
2384C, 2484C, 559C, 579C
320 L
322, 322 FM L
1V8794
MOTOR
528
528
4240333
MOTOR AS-WINDOW WIPER
320D2, 336D2, MH3037, MH3049, MH3059
320D2, 336D2, MH3037, MH3049, MH3059