1786539 BODY AS Caterpillar parts
318C, 319C, 320C, 320C FM
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Alternative (cross code) number:
CA1786539
178-6539
1786539
CA1786539
178-6539
1786539
Weight: 44 pounds 19 kg.
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US$669.99
28 May 2025
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178-6539 BODY ASSY - GEAR HOUSING Suitable For Caterpillar 1786539
KMP BRAND Suitable for Caterpillar
KMP BRAND Suitable for Caterpillar
178-6539 5I7859 Oil Pump Fits for Caterpillar Engines 320B Replace parts
Sgaorcpas Part Name:Oil Pump || Part Number:178-6539 5I7859 || Application:Fits for Caterpillar Engines 320B || Please verify the part number, image, and compatible vehicle model before purchasing. If you have any questions, please send us a message, and we will respond to you as soon as we see it. || Warranty: 180 Days
Sgaorcpas Part Name:Oil Pump || Part Number:178-6539 5I7859 || Application:Fits for Caterpillar Engines 320B || Please verify the part number, image, and compatible vehicle model before purchasing. If you have any questions, please send us a message, and we will respond to you as soon as we see it. || Warranty: 180 Days
178-6539 5I7859 Oil Pump Suitable for Caterpillar Engines 320B Replace parts
OfkZynodor Part Name:Oil Pump || Part Number:178-6539 5I7859 || Application: Suitable for Caterpillar Engines 320B Replace parts || Please make sure to carefully compare the photos and check the part numbers before making the purchase. If you are unable to confirm your engine model or part number, please leave us a message and we will assist you in confirming that the product you purchase is the one you need. || Your order is not merely a single purchase but the beginning of a cooperative journey, aiming to ensure the safe and smooth operation of your vehicle. We are proud to offer you reliable precision engineering components and unparalleled services.
OfkZynodor Part Name:Oil Pump || Part Number:178-6539 5I7859 || Application: Suitable for Caterpillar Engines 320B Replace parts || Please make sure to carefully compare the photos and check the part numbers before making the purchase. If you are unable to confirm your engine model or part number, please leave us a message and we will assist you in confirming that the product you purchase is the one you need. || Your order is not merely a single purchase but the beginning of a cooperative journey, aiming to ensure the safe and smooth operation of your vehicle. We are proud to offer you reliable precision engineering components and unparalleled services.
This part in 2 request:
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This information for suppliers only!
2018-05-08
2018-02-02
Number on catalog scheme:
7
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Information:
The digital voltage regulator can communicate with a remote personal computer or programmable logic controller. The J4 connector of the digital voltage regulator provides an RS-232 port necessary for communication. The RS-232 port is a 9-pin communication media including a wire for Receive, a wire for Transmit, and a common Signal Ground. The common signal ground is NOT a bonding ground and should not be grounded to the case or frame. The common signal ground must be connected to the RS-232 device signal ground connection point. Cable length must be limited to 15 m (50 ft) maximum for the RS-232 signal wiring. The Caterpillar 1U-9484 Cable is recommended.
Illustration 1 g01008946
Table 1
Pin Function Name Direction
1 - - N/A
2 Transmit Data TXD From Regulator
3 Receive Data RXD To Regulator
4 - - N/A
5 Signal Ground GND N/A
6 - - N/A
7 - - N/A
8 - - N/A
9 - - N/A
Illustration 2 g01136853Note: Battery power (24 VDC) must be available at "P12-8" (B+) and "P12-7" (B-) in order for the remote communications port to operate.A Windows-based program is available to communicate with the digital voltage regulator. The Windows program is called Caterpillar PC Software. The part number for the program is 252-7515 Software. The Windows program is available on SisWeb.Caterpillar PC Software allows the user to perform the following operations.
Viewing and modifying the parameters in a windowed PC environment
Sending the parameters to the digital voltage regulator
Saving the existing digital voltage regulator settings to a file
Viewing the metering and fault information
Upgrade embedded firmwareFor information on changing and viewing the parameters of the voltage regulator, see Testing and Adjusting, RENR7941, "Parameter Viewing and Configuring Procedure".Establishing Communication
Communication between the voltage regulator and the PC software must be established before viewing the metering values, reading settings, or changing settings. PC software screen settings are updated only after communication is opened or the communication settings have been changed. Open the voltage regulator communication port by clicking "Communications" on the menu bar, hovering the mouse pointer over "Open Comm Port" and clicking "RS-232 Port".
Illustration 3 g01392570When "RS-232 Port" is selected, the "Password" dialog box appears and prompts you to enter a password. Refer to illustration 3. Note: Each voltage regulator is delivered with “cat” as the password.
Illustration 4 g01392575After the correct password is entered, the "Comm Port" screen is displayed. Refer to Illustration 4. Select "Comm 1", "Comm 2", "Comm 3", or "Comm 4" as the active communication port on your PC and click the "Initialize" button. The PC software initializes communication by obtaining the configuration settings from the voltage regulator.
Illustration 5 g01392576Note: The Cat PC software will display the "Please wait..." dialog box that is shown in when initializing communication, obtaining configuration settings, or performing other tasks. Refer to Illustration 5. Wait until the box disappears before trying to execute communication commands. Issuing commands while the "Please wait..." dialog box is present may disrupt communication between the PC software and the voltage regulator.Terminating Communication
Voltage regulator communication is terminated by clicking "Communications" on the menu bar and clicking "Close Comm Port". The
Illustration 1 g01008946
Table 1
Pin Function Name Direction
1 - - N/A
2 Transmit Data TXD From Regulator
3 Receive Data RXD To Regulator
4 - - N/A
5 Signal Ground GND N/A
6 - - N/A
7 - - N/A
8 - - N/A
9 - - N/A
Illustration 2 g01136853Note: Battery power (24 VDC) must be available at "P12-8" (B+) and "P12-7" (B-) in order for the remote communications port to operate.A Windows-based program is available to communicate with the digital voltage regulator. The Windows program is called Caterpillar PC Software. The part number for the program is 252-7515 Software. The Windows program is available on SisWeb.Caterpillar PC Software allows the user to perform the following operations.
Viewing and modifying the parameters in a windowed PC environment
Sending the parameters to the digital voltage regulator
Saving the existing digital voltage regulator settings to a file
Viewing the metering and fault information
Upgrade embedded firmwareFor information on changing and viewing the parameters of the voltage regulator, see Testing and Adjusting, RENR7941, "Parameter Viewing and Configuring Procedure".Establishing Communication
Communication between the voltage regulator and the PC software must be established before viewing the metering values, reading settings, or changing settings. PC software screen settings are updated only after communication is opened or the communication settings have been changed. Open the voltage regulator communication port by clicking "Communications" on the menu bar, hovering the mouse pointer over "Open Comm Port" and clicking "RS-232 Port".
Illustration 3 g01392570When "RS-232 Port" is selected, the "Password" dialog box appears and prompts you to enter a password. Refer to illustration 3. Note: Each voltage regulator is delivered with “cat” as the password.
Illustration 4 g01392575After the correct password is entered, the "Comm Port" screen is displayed. Refer to Illustration 4. Select "Comm 1", "Comm 2", "Comm 3", or "Comm 4" as the active communication port on your PC and click the "Initialize" button. The PC software initializes communication by obtaining the configuration settings from the voltage regulator.
Illustration 5 g01392576Note: The Cat PC software will display the "Please wait..." dialog box that is shown in when initializing communication, obtaining configuration settings, or performing other tasks. Refer to Illustration 5. Wait until the box disappears before trying to execute communication commands. Issuing commands while the "Please wait..." dialog box is present may disrupt communication between the PC software and the voltage regulator.Terminating Communication
Voltage regulator communication is terminated by clicking "Communications" on the menu bar and clicking "Close Comm Port". The
Caterpillar parts catalog:
Parts body Caterpillar catalog:
1095153
BODY-VALVE
318C, 319C, 320C, 320C FM, 320C L, 320D, 320D FM, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 320D2, 320D2 GC, 320D2 L, 321C, 321D LCR, 322C, 323D L, 323D LN, 323D SA, 323D2 L, 324D, 324D L, 325C, 32...
318C, 319C, 320C, 320C FM, 320C L, 320D, 320D FM, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 320D2, 320D2 GC, 320D2 L, 321C, 321D LCR, 322C, 323D L, 323D LN, 323D SA, 323D2 L, 324D, 324D L, 325C, 32...
1733371
BODY
318C, 319C, 320C, 320C FM, 322C, 322C FM, 325C, 325C FM, M325C MH
318C, 319C, 320C, 320C FM, 322C, 322C FM, 325C, 325C FM, M325C MH
2178580
BODY-VALVE
315C, 315D L, 318C, 319C, 319D, 319D LN
315C, 315D L, 318C, 319C, 319D, 319D LN
2178582
BODY-VALVE
315C, 315D L, 318C, 319C, 319D, 319D L, 319D LN
315C, 315D L, 318C, 319C, 319D, 319D L, 319D LN
1733534
BODY
318C, 319C, 320C, 323D L, 323D LN, 325D L, 330D L
318C, 319C, 320C, 323D L, 323D LN, 325D L, 330D L
1838169
BODY AS
320C, 320D FM RR, 322C, 322C FM
320C, 320D FM RR, 322C, 322C FM
1733446
BODY
320C
320C
320C, 322C, 325C, 330C, 330C L
1681533
BODY AS
320C, 320C FM, 320C L, 322C, 325C, 330C, 330C L, 330C MH
320C, 320C FM, 320C L, 322C, 325C, 330C, 330C L, 330C MH
1772753
BODY-VALVE
320C, 321C, 322C, 325C, 330C L
320C, 321C, 322C, 325C, 330C L
1659462
BODY AS
320C, 330C L
320C, 330C L
1733403
BODY
320C FM
320C FM
2154893
BODY AS
311D LRR, 312D, 312D L, 312D2, 313D, 314C, 314D LCR, 321D LCR, 325C, 328D LCR
311D LRR, 312D, 312D L, 312D2, 313D, 314C, 314D LCR, 321D LCR, 325C, 328D LCR
4214384
BODY
311D LRR, 311F LRR, 312D, 312D L, 312D2, 312D2 GC, 312D2 L, 312E, 312E L, 313D, 313D2, 314C, 314D CR, 314D LCR, 314E CR, 314E LCR
311D LRR, 311F LRR, 312D, 312D L, 312D2, 312D2 GC, 312D2 L, 312E, 312E L, 313D, 313D2, 314C, 314D CR, 314D LCR, 314E CR, 314E LCR
2063289
BODY AS
308C
308C
308C, 312D, 312D L, 312D2 L, 314C, 314D CR, 314D LCR, 315D L, 319D LN, 320B, 320C, 320D, 320D FM, 320D FM RR, 320D L, 320D2, 322B L, 322C, 322C FM, 323D L, 323D LN, 323D SA, 323D2 L, 324D, 324D FM, 32...
1970208
BODY
311C, 314C
311C, 314C
1970207
BODY
311C, 314C
311C, 314C
1772709
BODY
318C, 319C, 320C, 320C FM, 320D L, 320D LN, 322C, 323D L, 323D LN, 323D SA, 324D, 324D L, 325C, 325D, 325D L, 326D L, 329D, 329D L
318C, 319C, 320C, 320C FM, 320D L, 320D LN, 322C, 323D L, 323D LN, 323D SA, 324D, 324D L, 325C, 325D, 325D L, 326D L, 329D, 329D L
2478782
BODY
318C, 320C, 320C FM, 320C L, 320D, 320D FM, 320D FM RR, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 321C, 321D LCR, 322C, 322C FM, 323D L, 323D LN, 323D SA, 324D, 324D FM, 324D FM LL, 324D L, 324D LN...
318C, 320C, 320C FM, 320C L, 320D, 320D FM, 320D FM RR, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 321C, 321D LCR, 322C, 322C FM, 323D L, 323D LN, 323D SA, 324D, 324D FM, 324D FM LL, 324D L, 324D LN...
318C, 318E L, 319C, 319D, 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, 320...
1850465
BODY-VALVE
318C, 320C, 320C FM, 321C, 322C, 325C, 330C, 330C L
318C, 320C, 320C FM, 321C, 322C, 325C, 330C, 330C L
3009716
BODY AS
318C, 320C, 320C FM, 320D, 320D FM, 320D LRR, 320D RR, 321C, 321D LCR, 324E L, 325D, 325D FM, 325D FM LL, 325D L, 325D MH, 329D L, 329D LN, 329E, 329E L, 329E LN, M325D L MH, M325D MH
318C, 320C, 320C FM, 320D, 320D FM, 320D LRR, 320D RR, 321C, 321D LCR, 324E L, 325D, 325D FM, 325D FM LL, 325D L, 325D MH, 329D L, 329D LN, 329E, 329E L, 329E LN, M325D L MH, M325D MH
3009715
BODY AS
318C, 320C, 320C FM, 320D, 320D FM, 320D FM RR, 320D L, 320D LRR, 320D RR, 320D2, 320E, 320E L, 320E LN, 320E LRR, 320E RR, 321C, 321D LCR, 323D L, 323D2 L, 323E L, 324D, 324D L, 324D LN, 324E, 324E L...
318C, 320C, 320C FM, 320D, 320D FM, 320D FM RR, 320D L, 320D LRR, 320D RR, 320D2, 320E, 320E L, 320E LN, 320E LRR, 320E RR, 321C, 321D LCR, 323D L, 323D2 L, 323E L, 324D, 324D L, 324D LN, 324E, 324E L...