ISUZU Excavator Engine Crankshaft
What is the function of a crankshaft?
The crankshaft is essentially the backbone of the internal combustion engine. The crankshaft is responsible for the proper operation of the engine and converting a linear motion to a rotational motion. Crankshafts should have very high fatigue strength and wear resistance to ensure long service life.
How often should I check the crankshaft on my excavator for wear and tear?
Checking the crankshaft on your excavator for wear and tear is an essential part of equipment maintenance. The frequency of these checks can depend on several factors, including the manufacturer’s recommendations, the age of the excavator, the operating conditions, and the intensity of use.
As a general guideline, it’s advisable to inspect the crankshaft as part of a routine maintenance schedule. For heavy-duty excavators operating in demanding conditions, more frequent inspections may be necessary. Regular visual inspections, along with scheduled maintenance intervals, can help identify any signs of wear and tear early on, preventing potential issues and minimizing downtime.
Ultimately, it’s best to consult the excavator’s manual or the manufacturer’s recommendations for specific guidance on the frequency of crankshaft inspections based on your equipment’s make, model, and usage.
What are the best practices for maintaining the crankshaft in an excavator?
Maintaining the crankshaft in an excavator is crucial for ensuring the proper functioning of the machine. Here are some best practices for maintaining the crankshaft:
Regular Inspections: Perform routine visual inspections of the crankshaft for any signs of wear, damage, or misalignment. This can help in identifying potential issues early on.
Lubrication: Ensure proper lubrication of the crankshaft and its bearings as per the manufacturer’s recommendations. Adequate lubrication reduces friction and wear on the crankshaft components.
Monitoring Vibrations: Monitor the vibrations of the excavator during operation as excessive vibrations can indicate issues with the crankshaft or its related components.
Proper Handling: During maintenance or repair activities, handle the crankshaft with care to avoid any physical damage or distortion.
Alignment Checks: Periodically check the alignment of the crankshaft to ensure it is within the specified tolerances. Misalignment can lead to premature wear and failure.
Timely Repairs: Address any issues related to the crankshaft promptly to prevent further damage to the component and other connected parts.
Name | Engine Type | Part No./O.E.M | Exact Cast(QT800-3) | Forged | ||
General | Nitrided | Hardening | Hardening | |||
ISUZU | 4JA1 | 8-94455-240-1 | 370 | 390 | 410 | 850 |
4JB1 | 8-94443-662-0/892190927 | 380 | 400 | 420 | 780 | |
4JB1T | 894453525-2/894445570-0/897331853-0/8-94251-729-0 | 480 | 510 | 540 | 900 | |
4JH1/4KH1 | 8-97254611-1,8-97940-743-0,8-97249-041-0 | 420 | 440 | 460 | 900 | |
4JG2/4JG1 | 8-97023-182-1 | 510 | 540 | 570 | ||
4JJ1 | 8-97311-632-1/8-97311-632-1-151 | 570 | 600 | 630 | ||
4JJ1-T | Small head with 6-Hole | 650 | 680 | 710 | ||
4JK1 | 8-98131-999-0 | 520 | 550 | 570 | ||
4BA1 | 570 | 600 | 630 | |||
4BB1(NEW) | MAIN:80 | 620 | 650 | 680 | ||
4BB1(OLD) | 5-12310-162-0,MAIN:76, With gear | 630 | 660 | 690 | ||
4BC2/4BC1/DB33 | 5-12310-161-0, DB33 | 450 | 480 | 510 | 1350 | |
4BD1 | 5-12310-163-0 | 560 | 590 | 620 | 1350 | |
4BD1T/4BD2T | 5-12310-189-1 | 750 | 790 | 820 | ||
4BE1 | 8-94416-373-2 | 500 | 530 | 560 | ||
4BG1 | 8-97112-981-2 | 620 | 650 | 680 | ||
4HE1 | 8-97165-483-0/8-97352-534-2 Rodjournal :66 | 720 | 760 | 800 | 1800 | |
4HE1T/4HK1 | 8-94396-737-3/8-98029-270-0 Rodjournal :73 | 700 | 740 | 780 | 1800 | |
4HF1 | 8-97033-171-2,8-97112-981-3 | 640 | 670 | 700 | 1500 | |
4HG1 | 897033-171-2/897112-981-0/897146520-2 | 640 | 670 | 700 | 1500 | |
4HL1 | 720 | 750 | 780 | |||
4ZA1 | 480 | 500 | 520 | |||
4ZB1 | 480 | 500 | 520 | |||
4ZC1 | 480 | 500 | 520 | |||
4ZD1 | 8-94136-164-0/8-94146-320-2 | 420 | 440 | 460 | ||
4ZE1 | 8-94163-188-0/8-97023-674-0/8-97107-920-1/8-97107-920-3/8973584760 | 440 | 460 | 480 | ||
3LB1 | 450 | 470 | 490 | |||
3LD1 | 480 | 500 | 520 | |||
4LE1 | 480 | 510 | 530 | |||
4LE2 | 8-97115-177-2 | 480 | 510 | 530 | ||
C190 | 5-12310-188-0 | 500 | 530 | 550 | ||
C223 | 8-94118-828-0,8-94139-669-0 | 500 | 530 | 550 | ||
C240 | 9-12310-413-0/8941396690/8941597680 | 430 | 460 | 480 | ||
G161 | 8-94200-655-0,8-94156-835-0 | 390 | 410 | 430 | ||
G200 | 8-94201-038-0,8-94200-655-0,8-9156-836-0,8-94156-836-1 | 390 | 410 | 430 | ||
C14NZ | OPEL | 450 | 470 | 490 | ||
C22NE | 8-90530-454-0,OPEL,ISUZU,GM | 450 | 470 | 490 | 750 | |
6HE1 | 8-94395-025-0 | 1000 | 1050 | 1100 | 2500 | |
6HH1 | 8-97603-003-0 | 1000 | 1050 | 1100 | ||
6HE1T/6HK1 | 8-94395-125-0/8-97603-004-0/8-94396-737-4 | 1000 | 1050 | 1100 | 2500 | |
6HF1 | 1000 | 1050 | 1100 | |||
6BB1(OLD) | MAIN:76, With gear | 950 | 1000 | 1040 | ||
6BB1(NEW) | MAIN:80,1-12310-445-0/1-12310-436-0 | 930 | 980 | 1020 | ||
6BD1 | 1-12310-437-0 | 850 | 900 | 940 | 2050 | |
6BD1T | 1-12310-407-0/5-12310-151-0 | 920 | 970 | 1020 | 2300 | |
6BF1 | 1000 | 1050 | 1100 | 2300 | ||
6BG1 | 1-12310-448-0 | 850 | 900 | 940 | 2050 | |
6QA1 | 1-12310-386-1 | 1950 | 2050 | 2150 | ||
6RB1 | 1-12310-503-2,EX400 | 2100 | 2200 | 2300 | ||
6SA1 | 1-12310-569-0 | 1280 | 1340 | 1380 | ||
6SD1T | 1-12310-671-0 | 1500 | 1580 | 1650 | ||
6WG1 | 1-12310675-1 | 4300 | 4500 | 4600 | 8500现货 | |
DH100 | 9-1211-1670-0 | 1800 | 1900 | 2000 | ||
DA120 | 1400 | 1480 | 1550 | |||
10PB1 | 2600 | 2700 | 2800 | |||
10PD1 | 2900 | 3000 | 3100 | |||
10PE1 | 2900 | 3000 | 3100 | |||
10PC1 | 2600 | 2700 | 2800 | |||
12PC1 | 2500 | 2600 | 2700 | |||
12PD1 | 3050 | 3200 | 3300 | |||
12PE1 | 3050 | 3200 | 3300 | |||
BENZ | OM352整体 | 8 or 12 Balance | 1050 | 1100 | 1150 | |
OM352分体 | 3520303402/3520307802/3520307402 | 1200 | 1240 | 1280 | 2200 | |
OM355 | 35503066(7、8)01/3450305001 | 2150 | 2250 | 2320 | 3800 | |
OM314 | 3140303202/3140305502 | 880 | 920 | 950 | 2400 | |
OM360 | 3600301601/3600301201 | 1800 | 1880 | 1950 | ||
OM364 | 3640301102/3640300702 | 1000 | 1050 | 1100 | ||
OM366 | 3660301102/3660300702 | 1050 | 1100 | 1150 | 2000 | |
OM401 | 4010302301/4010302501 | 1800 | 1850 | 1900 | 3000 | |
OM402 | 4020304301/4020303701 | 2200 | 2300 | 2350 | 3500 | |
OM403 | 4030303001/4230303301/4230303401 | 2350 | 2450 | 2530 | 4000 | |
OM421 | 4210301701/4210302401/4210302501/10302501 | 2000 | 2050 | 2100 | ||
OM423 | 4230301501/4230303301/4230303401 | 2450 | 2550 | 2630 | ||
OM422 | 4220304301/4220303701 | 2300 | 2370 | 2420 | ||
OM651 | A6510302501 4or8-Balance | 900 | 930 | 950 | 1800 | |
OM441 | 2000 | 2050 | 2100 | |||
OM442 | 4420304301/4420303701 | 2200 | 2300 | 2350 | 3500 | |
OM407/OM427 | 4070301601/4070302401 | 2500 | 2600 | 2700 | ||
OM447/OM457 | 4470300701/4470300801/4470300901/4570300401 | 2500 | 2600 | 2700 | 4500 | |
MITSUBISHI | 4D30/4D31 | ME013667,MD012320,23100-41000,23111-41700 | 450 | 480 | 510 | 1250 |
4D32 | MD187921,ME017152 | 450 | 480 | 510 | 1250 | |
4D33 | ME-018297 | 480 | 510 | 540 | 1300 | |
4D34 | ME136680 | 470 | 500 | 530 | 1300 | |
4D34T | 23100-45000,ME017354T | 480 | 510 | 540 | 1350 | |
4D35 | MD013680,4Counterbalance | 540 | 570 | 600 | ||
4D35 | MD013680,8Counterbalance | 560 | 590 | 620 | ||
4D36 | 550 | 580 | 620 | |||
4DR5/4DR7 | 450 | 480 | 510 | |||
4D55 | 23111-42001,23111-42000 | 380 | 400 | 420 | ||
4D56/4D56T | ME102601/MD376961/23111-42901/23111-42011 | 370 | 390 | 410 | 750 | |
4D56-T2(NEW) | MD374408/23111-42910 | 370 | 390 | 410 | 750 | |
4D56U | 1100A135,CAT-C12 | 400 | 420 | 440 | 780 | |
4D68 | MD188571 | 400 | 430 | 450 | ||
4G13/4G14/4G15 | MD138992/MD327703/23111-21050 | 330 | 350 | 370 | ||
4G18 | MD332125,MD352125 | 350 | 370 | 390 | ||
4G32/4G33/4G34 | MD000784 | 450 | 470 | 490 | ||
4G41 | MD010667 | 360 | 380 | 400 | ||
4G54 | MD027474/118113 | 370 | 390 | 410 | 800 | |
4G63 | MD187924/346022 | 360 | 380 | 400 | 800 | |
4G64 | MD187921/346026 | 360 | 380 | 400 | 800 | |
4G93 | MD183525 | 300 | 330 | 350 | ||
4G94 | MD367450,MD367449 | 320 | 330 | 350 | ||
6G72 | MD144525,MD357487 | 550 | 580 | 600 | 850 | |
6G74 | MD305941,MN119761 | 570 | 600 | 620 | 900 | |
4A13 | 1005023 | 320 | 340 | 360 | ||
4A15 | 1005023A | 320 | 340 | 360 | ||
4A90 | 360 | 390 | 410 | |||
4A91 | MW250868-9 | 360 | 390 | 410 | ||
4A92 | 1000B741 | 390 | 410 | 430 | ||
4B10 | 350 | 380 | 400 | |||
4B11/4B12 | 300 | 320 | 340 | |||
4M40 | ME202013/ME203551/MD620109 | 450 | 480 | 510 | ||
S4E | 500 | 530 | 560 | |||
S4F | 500 | 530 | 560 | |||
S4S | 32A20-00010 | 520 | 550 | 580 | ||
S4Q | 600 | 630 | 660 | |||
S3L | STROKE-1:78,STROKE-2:92 | 750 | 780 | 800 | ||
S4L | 880 | 910 | 930 | |||
S4KT | 4W3989/4W3579,5I7844 | 650 | 680 | 710 | 1700 | |
S6E | 34720-30011 | 1800 | 1850 | 1900 | ||
S6KT | 34320-00010/5I7671 | 1000 | 1050 | 1100 | 2250 | |
S6S | 900 | 950 | 1000 | |||
6D14/6D15 | ME032364 | 920 | 970 | 1020 | 2500 | |
6D14T/6D15T | ME032800,ME079127 | 930 | 980 | 1030 | 2600 | |
6D16/6D16T | ME072197,23100-93072, D6BR | 930 | 980 | 1030 | 2700 | |
6D16T-2 | MAIN:84、ROD:65 | 1000 | 1050 | 1100 | 2800 | |
6D16T-3 | MAIN:84、ROD:70 | 1050 | 1100 | 1150 | ||
6D17 | MAIN:80、ROD:65 | 1050 | 1100 | 1150 | ||
6D17-2 | MAIN:84、ROD:65 | 1050 | 1100 | 1150 | ||
6D17-3 | MAIN:84、ROD:70 | 1100 | 1150 | 1200 | ||
6D31T | ME082505 | 850 | 890 | 930 | 2000 | |
6D34T | ME300086 | 860 | 900 | 940 | 2050 | |
6D20/6D22 | ME999368, D6CA | 1700 | 1780 | 1860 | 3800 | |
6D24-1 | MAIN:100、ROD:84、STROKE:150 | 1900 | 2000 | 2100 | ||
6D24-2 | MAIN:120、ROD:90、STROKE:155 | 3200 | 3350 | 3500 | ||
6D40 | 1900 | 2000 | 2100 | |||
6DB1/6DB10 | 1850 | 1950 | 2030 | |||
8DC20/8DC20A | 2300 | 2360 | 2420 | |||
8DC80/81/82 | ME997083/ME999355 | 2200 | 2300 | 2360 | ||
8DC90/91/92 | ME996186 | 2180 | 2280 | 2350 | ||
8DC10/8DC11 | 3100 | 3200 | 3300 | |||
TOYOTA | 2F | 11702-60013,11702-76009-71 | 800 | 850 | 880 | |
3F | 11701-61010、11702-61010 | 900 | 950 | 1000 | ||
1AR | 400 | 430 | 460 | 750 | ||
2AR | 13401-36011 | 550 | 580 | 600 | ||
1GR | 13401-31011,13401-31060 | 900 | 930 | 950 | ||
2GR | 13401-0P040/31020/31040 | 900 | 930 | 950 | ||
5R | 13411-44900,13411-49167 | 400 | 430 | 450 | ||
12R | 13411-31902,13411-31011 | 380 | 410 | 440 | ||
22R/21R | 13411-38010 | 390 | 420 | 440 | ||
1Z | 13411-78300-71 | 520 | 550 | 580 | ||
2Z | 530 | 560 | 590 | |||
11Z | 13411-78760-71 | 820 | 860 | 900 | ||
12Z | 13411-78780-71 | 820 | 860 | 900 | ||
13Z | 820 | 860 | 900 | |||
14Z | 820 | 860 | 900 | |||
1DZ | 400 | 430 | 450 | |||
1AZ | 13401-28030,13401-28040 | 380 | 410 | 430 | ||
2AZ | 13401-28010 | 380 | 410 | 430 | 650 | |
1ZZ | 13401-22020,13411-7830071 | 300 | 330 | 350 | ||
3ZZ | 13401-22030 | 300 | 330 | 350 | ||
4ZZ | 13401-22040 | 300 | 330 | 350 | ||
1NZ | 13401-21020、13401-0C010 | 380 | 410 | 430 | ||
2NZ | 13401-21030 | 380 | 410 | 430 | ||
1ZR | 13401-0T010,13401-37011 | 360 | 390 | 420 | 550 | |
2ZR | 13401-0T020 | 360 | 390 | 420 | 550 | |
2H | 13401-76011-71,13401-68010 | 1100 | 1150 | 1200 | ||
3P/4P | 13411-7600171,13411-96002 | 400 | 420 | 440 | ||
B/1B(OLD) | 13401-56020,13401-56021,6 Hole | 550 | 580 | 610 | ||
1B/2B(NEW) | 13401-56030,8 Hole | 550 | 580 | 610 | ||
3B/11B/13B | 13401-58010/13401-58020/13401-58018/56040 | 500 | 530 | 560 | ||
14B | 13401-58030/58021/58050 | 510 | 540 | 570 | ||
15B | 13401-58021 | 520 | 550 | 580 | ||
2J | 13411-96100 | 520 | 550 | 580 | ||
2L | 13401-54040、13401-54050(6孔) | 390 | 410 | 430 | ||
2LT | 13401-54070 | 390 | 410 | 430 | ||
3L | 13401-54020/54060/54080/54100 | 380 | 400 | 420 | ||
3L-E | 400 | 420 | 440 | |||
5L | 13401-54061 | 380 | 400 | 420 | ||
5L-E | 13411-54150 | 400 | 420 | 440 | ||
1E/2E/4E | 13401-11050 | 220 | 240 | 250 | ||
3E/5E | 13401-11040 | 320 | 350 | 370 | ||
1C/2C | 13411-64908 | 320 | 350 | 370 | ||
1RZ/2RZ | 13411-75900 | 360 | 380 | 400 | ||
3RZ | 13411-75901 | 410 | 440 | 470 | ||
1TR | 13401-75010 | 380 | 410 | 430 | ||
2TR | 13401-75020,13401-0C021 | 380 | 410 | 430 | 850 | |
1KZ-T/1KZ-TE | 13401-30010,13401-67010. 6or8 Hole | 450 | 480 | 510 | 850 | |
1Y | 13411-72010,13411-71900 | 350 | 370 | 390 | ||
2Y | 13411-72900 | 320 | 340 | 360 | ||
3Y/4Y | 13411-73010,13411-73900 | 300 | 320 | 340 | ||
4AF | 13411-15900 | 350 | 370 | 390 | ||
4AFE | 13411-16900 | 350 | 370 | 390 | ||
5A | 13411-15900 | 360 | 380 | 400 | ||
7A/8A | 13411-16903 | 360 | 380 | 400 | ||
3S | 13411-74908 | 420 | 450 | 480 | 700 | |
3SZVE 1.5L | 13411-B1020,13411-97401 | 360 | 380 | 400 | ||
2SZVE 1.3L | 13401-33011,13411-97401 | 360 | 380 | 400 | ||
5S | 13401-74010 | 420 | 450 | 480 | 700 | |
3K/4K/5K | 13411-76006-71 | 400 | 420 | 440 | ||
1KD | 13401-30030/30040/30050/0L050,STROKE:103 | 430 | 460 | 490 | 830 | |
2KD | 13401-30020/30060/0L030,STROKE:95 | 430 | 460 | 490 | 830 | |
1HZ/1HD-T | 13411-17012 | 750 | 790 | 820 | ||
1FZ | 13401-66021 | 760 | 800 | 830 | ||
1GD | 13401-0E020 | 620 | 650 | 670 | ||
2GD | 13401-0E010 | 620 | 650 | 670 | ||
1VD | 13401-51010 | 1750 | 1800 | 1830 |