7N9708 CRANKSHAFT Caterpillar parts
16G, 621, 980C
Rating:
Alternative (cross code) number:
CA7N9708
7N-9708
7N9708
CA7N9708
7N-9708
7N9708
Weight: 5 pounds 2 kg.
MOTOR GRADER, WHEEL TRACTOR,
Compatible equipment models: 7N9708:
Number on catalog scheme:
18
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Information:
The transmission ECM controls the transmission shift points. The basic components and corresponding requirements for shifting of the transmission are listed below:Transmission Shift Control - The ECM must know the desired gear position. The transmission shift control provides a ground signal. The ground signal varies with the gear that has been selected.Transmission Gear Switch - The ECM must know the transmission gear that is currently engaged.Transmission Output Speed Sensor (TOS) - The ECM must know the output speed of the transmission. One TOS sensor tells the ECM the speed of the transmission output shaft. The TOS sensor provides this information.Torque Converter Output Speed Sensor - The ECM must know the output speed of the torque converter. One speed sensor provides the information to the ECM regarding the speed of the torque converter. Upshift Solenoid and Downshift Solenoid - The ECM must electrically shift the transmission. The ECM uses two separate outputs to the solenoids in order to shift the transmission. The transmission is always shifted one gear at a time. The ECM activates the solenoids electrically in order to shift the transmission.The items that follow are exceptions.
Do not attempt to shift from a forward gear to PARK if the speed of the transmission output shaft is moving faster than 1500 rpm. The ECM will not shift the transmission into PARK until the speed of the transmission output shaft is less than 1500 rpm. This prevents damage to the clutches and discs which could lead to early transmission failure.
The ECM does not downshift when the operator selects a speed that is not appropriate for the current TOS. Automatic upshifting and/or downshifting will continue when the TOS decreases to the downshift point. The transmission gear and the selected gear will remain same. The selected gear now becomes the new top gear.
The ECM shifts the transmission up one gear above the selected gear if the TOS reaches a critical value. This helps protect the engine from overspeed. If the transmission is already in top gear, the lockup clutch is deactivated. The transmission ECM also controls the start relay.Note: All events regarding engine overspeed are recorded and available for examination. The examination of these events requires the use of the proper service tool. See the topic in System Operation, "Tattletale Function".Note: Also see the topic in System Operation, "Additional Functions".Four events are logged in the ECM.
Transmission abuse
Coasting in neutral
Engine overspeed
Machine overspeed
Do not attempt to shift from a forward gear to PARK if the speed of the transmission output shaft is moving faster than 1500 rpm. The ECM will not shift the transmission into PARK until the speed of the transmission output shaft is less than 1500 rpm. This prevents damage to the clutches and discs which could lead to early transmission failure.
The ECM does not downshift when the operator selects a speed that is not appropriate for the current TOS. Automatic upshifting and/or downshifting will continue when the TOS decreases to the downshift point. The transmission gear and the selected gear will remain same. The selected gear now becomes the new top gear.
The ECM shifts the transmission up one gear above the selected gear if the TOS reaches a critical value. This helps protect the engine from overspeed. If the transmission is already in top gear, the lockup clutch is deactivated. The transmission ECM also controls the start relay.Note: All events regarding engine overspeed are recorded and available for examination. The examination of these events requires the use of the proper service tool. See the topic in System Operation, "Tattletale Function".Note: Also see the topic in System Operation, "Additional Functions".Four events are logged in the ECM.
Transmission abuse
Coasting in neutral
Engine overspeed
Machine overspeed
Caterpillar parts catalog:
Parts crankshaft Caterpillar catalog:
16G, 245, 245B, 3406, 3406B, 621B, 621E, 623B, 623E, 627B, 627E, 814B, 824C, 825C, 826C, 980C, D8N, G3406, RR-250, SS-250
16G, 16H NA, 245, 245B, 245D, 3126, 3406, 3406B, 3406C, 375, 375 L, 5080, 578, 583R, 621B, 621E, 621F, 623B, 623E, 623F, 627B, 627E, 627F, 814B, 824C, 824G, 825C, 825G, 826C, 826G, 980C, 980F, 980F II...
16G, 245, 3406, 3406B, 621, 621B, 623B, 824C, 825C, 826C, 980C, 983B
16G, 245, 3406, 3406B, 621B, 623B, 824C, 825C, 826C, 980C
16G, 3406, 3406B, 578, 621E, 623E, 627E, 814B, 826C, 980C, G3406, SS-250
2W1732
CRANKSHAFT GP
16G, 245, 3406, 3406B, 621, 621B, 623B, 824C, 825C, 826C, 980C, 983B, D400
16G, 245, 3406, 3406B, 621, 621B, 623B, 824C, 825C, 826C, 980C, 983B, D400
16G, 16H NA, 245B, 3406, 3406B, 3406C, 3406E, 375, 375 L, 5080, 578, 583R, 587R, 621E, 621F, 621G, 623E, 623F, 623G, 627B, 627E, 627F, 627G, 657B, 814B, 824C, 824G, 825G, 826C, 826G, 980C, 980F, 980G,...
16M, 345C, 345C L, 345C MH, 345D, 345D L, 345D L VG, 349D, 349D L, 621H, 621K, 623H, 623K LRC, 627H, 627K LRC, 730, 730C, 972H, 980C, 980K, 980K HLG, C13, C13 XQ350, CX31-C13I, D8N, TH35-C13I, TH35-C1...
16G, 3406, 627B
16G, 16H NA, 3406B, 3406C, 621E, 621F, 623E, 623F, 627E, 627F, 814B, 826C, 980C, 980F
16H NA, 627B, 824C, 980C, D400, D8N
1N2980
CRANKSHAFT-COMPRESSOR
16G, 980C
16G, 980C
120G, 130G, 528, 950, 950B, 966C
4397650
CRANKSHAFT AS
303E CR
303E CR
4180989
CRANKSHAFT AS
306E, 307E
306E, 307E
3830533
CRANKSHAFT AS
304E, 305.5E, 305E, 902C, 903C
304E, 305.5E, 305E, 902C, 903C
3866936
CRANKSHAFT AS
303.5E, 901C
303.5E, 901C
2964710
CRANKSHAFT AS
311D LRR, 312D, 312D L, 313D, 314D CR, 314D LCR, 315D L, 318D L, 319D, 319D L, 319D LN
311D LRR, 312D, 312D L, 313D, 314D CR, 314D LCR, 315D L, 318D L, 319D, 319D L, 319D LN
966C, D6C
120G, 528, 920, 930, 950, 950B, D6C, G936
215, 953