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144-0140 HYDRAULIC AR S/N 3YW1-UP PART OF 144-0134 COMMON AR 301.5 MINI HYD EXCAVATOR


HYDRAULIC SYSTEM
HYDRAULIC GP
LINES GP-AUXILIARY
LINES GP-BLADE

MINI HYD EXCAVATOR 301.5 MINI HYD EXCAVATOR 3YW
 301.5 301.6 301.8 Mini Hydraulic Excavator 3YW00001-UP (MACHINE) POWERED BY 3003 Engine SEBP2820 301.5 3YW   (1998)

HYDRAULIC SYSTEM

HYDRAULIC GP
144-0140 HYDRAULIC AR
149-1111 HYDRAULIC AR
186-4311 HYDRAULIC AR
 

#SEBP28200190
 

144-0140: HYDRAULIC AR

144-0140 HYDRAULIC AR
S/N 3YW1-UP
PART OF 144-0134 COMMON AR
i02194946 SEBP2820
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Parts for your 301.5 MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  149-3859 Y [1] CONTROL & MTG GP-JOYSTICK  
    S/N 3YW1-3139
  196-1731 Y [1] CONTROL & MTG GP-JOYSTICK  
    S/N 3YW3140-UP
  145-4441 Y [1] COOLER & MTG GP-HYDRAULIC OIL  
  149-2830 Y [1] FILTER GP-OIL  
  148-3698 Y [1] LINES GP-FRONT  
    S/N 3YW1-4173
  230-8775 Y [1] LINES GP-FRONT  
    S/N 3YW4174-UP
  144-7403 Y [1] LINES GP-HYDRAULIC PUMP  
    S/N 3YW1-2789
  202-5551 Y [1] LINES GP-HYDRAULIC PUMP  
    S/N 3YW2790-UP
  144-7401 Y [1] LINES GP-RETURN  
    S/N 3YW1-4173
  240-2453 Y [1] LINES GP-RETURN  
    S/N 3YW4174-UP
  144-7402 Y [1] LINES GP-SWING MOTOR  
  144-7407 Y [1] LINES GP-TRAVEL MOTOR  
  145-4248 Y [1] PUMP & MTG GP-GEAR  
    S/N 3YW1-2789
  202-0879 Y [1] PUMP & MTG GP-GEAR  
    S/N 3YW2790-UP
  145-4238 Y [1] TANK & MTG GP-HYDRAULIC  
  145-4251 Y [1] VALVE & ACCUMULATOR GP-PILOT  
  145-4249 Y [1] VALVE & MTG GP-BANK  
  Y   SEPARATE ILLUSTRATION
 

#SEBP28200191
 

149-1111: HYDRAULIC AR

149-1111 HYDRAULIC AR
S/N BDH1-UP
PART OF 185-4728 COMMON AR
i02194932 SEBP2820
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Parts for your 301.5 MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  145-4441 Y [1] COOLER & MTG GP-HYDRAULIC OIL  
  149-2830 Y [1] FILTER GP-OIL  
  148-3698 Y [1] LINES GP-FRONT  
    S/N BDH726-1021
  230-8775 Y [1] LINES GP-FRONT  
    S/N BDH1022-UP
  144-7403 Y [1] LINES GP-HYDRAULIC PUMP  
    S/N BDH1-585
  202-5551 Y [1] LINES GP-HYDRAULIC PUMP  
    S/N BDH586-UP
  144-7401 Y [1] LINES GP-RETURN  
    S/N BDH726-1021
  240-2453 Y [1] LINES GP-RETURN  
    S/N BDH1022-UP
  144-7402 Y [1] LINES GP-SWING MOTOR  
  154-6279 Y [1] LINES GP-TRAVEL MOTOR  
  145-4248 Y [1] PUMP & MTG GP-GEAR  
    S/N BDH1-585
  202-0879 Y [1] PUMP & MTG GP-GEAR  
    S/N BDH586-UP
  145-4238 Y [1] TANK & MTG GP-HYDRAULIC  
  145-4251 Y [1] VALVE & ACCUMULATOR GP-PILOT  
  145-4249 Y [1] VALVE & MTG GP-BANK  
  149-3859 Y [1] CONTROL & MTG GP-JOYSTICK  
    S/N BDH1-725
  196-1731 Y [1] CONTROL & MTG GP-JOYSTICK  
    S/N BDH726-UP
  Y   SEPARATE ILLUSTRATION
 

#SEBP28200192
 

186-4311: HYDRAULIC AR

186-4311 HYDRAULIC AR
S/N BFA1-UP
PART OF 185-9957 COMMON AR
i05325522 SEBP2820
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Parts for your 301.5 MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  149-3859 Y [1] CONTROL & MTG GP-JOYSTICK  
    S/N BFA1-1590
  196-1731 Y [1] CONTROL & MTG GP-JOYSTICK  
    S/N BFA1591-UP
  145-4441 Y [1] COOLER & MTG GP-HYDRAULIC OIL  
  149-2830 Y [1] FILTER GP-OIL (HYDRAULIC)  
  148-3698 Y [1] LINES GP-FRONT  
    -OR-
  230-8775 Y [1] LINES GP-FRONT  
  144-7403 Y [1] LINES GP-HYDRAULIC PUMP  
    S/N BFA1-1140
  202-5551 Y [1] LINES GP-HYDRAULIC PUMP  
    S/N BFA1141-UP
  144-7401 Y [1] LINES GP-RETURN  
    -OR-
  240-2453 Y [1] LINES GP-RETURN  
  185-9970 Y [1] LINES GP-SWING MOTOR  
    -OR-
  234-7631 Y [1] LINES GP-SWING MOTOR  
  185-9967 Y [1] LINES GP-TRAVEL MOTOR  
    -OR-
  234-7632 Y [1] LINES GP-TRAVEL MOTOR  
  145-4248 Y [1] PUMP & MTG GP-GEAR  
    S/N BFA1-1140
  202-0879 Y [1] PUMP & MTG GP-GEAR  
    S/N BFA1141-UP
  145-4238 Y [1] TANK & MTG GP-HYDRAULIC  
  145-4251 Y [1] VALVE & ACCUMULATOR GP-PILOT  
  145-4249 Y [1] VALVE & MTG GP-BANK  
  Y   SEPARATE ILLUSTRATION
 

#SEBP28200193
 

224-9333: LINES GP-AUXILIARY HYDRAULIC

224-9333 LINES GP-AUXILIARY HYDRAULIC
S/N BFA1-UP; BDH1-UP; 3YW1-UP
AN ATTACHMENT
i02195753 SEBP2820
2249333 LINES GP-AUXILIARY HYDRAULIC Parts scheme
  For full view, you need register

Parts for your 301.5 MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5D-1026 [2] CLAMP-BAND  
2. 153-2996 [1] FITTING AS (QUICK DISCONNECT, MALE)  
3. 153-2997 [1] FITTING AS (QUICK DISCONNECT, FEMALE)  
4. 161-2560 [1] CAP-DUST  
5. 161-2561 [1] CAP-DUST  
6. 171-1357 [2] CONNECTOR AS  
    (EACH INCLUDES)
  3K-0360 [1] SEAL-O-RING  
  7J-9108 [1] SEAL-O-RING  
  160-5083 [1] CONNECTOR  
7. 230-8781 I [1] HOSE AS  
8. 230-8782 I [1] HOSE AS  
9. 238-1837 [1] ELBOW  
10. 164-6859 [1] UNION AS  
  6V-8398 [1] SEAL-O-RING  
  6V-9353 [1] UNION  
  7J-9108 [1] SEAL-O-RING  
11. 6V-9169 [1] NUT (13/16-16-THD)  
12. 6V-9170 [2] NUT-BULKHEAD (1-14-THD)  
13. 5P-0743 E HOSE (81-CM)  
  E   ORDER BY THE CENTIMETER
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
 

#SEBP28200194
 

232-1567: LINES GP-AUXILIARY HYDRAULIC

232-1567 LINES GP-AUXILIARY HYDRAULIC -2-WAY
S/N BFA1-UP; BDH1-UP; 3YW1-UP
AN ATTACHMENT
i02195730 SEBP2820
2321567 LINES GP-AUXILIARY HYDRAULIC Parts scheme
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Parts for your 301.5 MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5D-1026 [2] CLAMP-BAND  
2. 144-7031 I [1] HOSE AS  
3. 153-2996 [1] FITTING AS (QUICK DISCONNECT, MALE)  
4. 153-2997 [1] FITTING AS (QUICK DISCONNECT, FEMALE)  
5. 161-2560 [1] CAP-DUST  
6. 161-2561 [1] CAP-DUST  
7. 169-5701 [1] CONNECTOR AS  
  3K-0360 [1] SEAL-O-RING  
  6V-8398 [1] SEAL-O-RING  
  152-6942 [1] CONNECTOR  
8. 171-1357 [2] CONNECTOR AS  
    (EACH INCLUDES)
  3K-0360 [1] SEAL-O-RING  
  7J-9108 [1] SEAL-O-RING  
9. 230-8781 I [1] HOSE AS  
10. 230-8782 I [1] HOSE AS  
11. 232-6118 [1] VALVE GP-MANUAL (AUXILIARY HYDRAULICS)  
  8T-0288 M [1] BOLT (M5X0.8X12-MM)  
  8T-4205 [1] WASHER-HARD (7.2X14.5X2-MM THK)  
  242-2209 [1] HANDLE  
12. 238-1837 [1] ELBOW  
13. 244-4873 [1] FILM-INSTRUCTION (MANUAL VALVE, AUX HYDRAULICS)(AUXILIARY BALL VALVE)  
14. 148-8318 [1] CONNECTOR AS  
  3K-0360 [1] SEAL-O-RING  
  6V-8397 [1] SEAL-O-RING  
  6V-8634 [1] CONNECTOR  
15. 148-8338 [1] CONNECTOR AS  
  3J-1907 [1] SEAL-O-RING  
  6V-8397 [1] SEAL-O-RING  
  8T-0075 [1] CONNECTOR  
16. 148-8342 [1] CONNECTOR AS  
  3K-0360 [1] SEAL-O-RING  
  6V-8632 [1] CONNECTOR  
  7J-9108 [1] SEAL-O-RING  
17. 6V-9169 [1] NUT (13/16-16-THD)  
18. 6V-9170 [2] NUT-BULKHEAD (1-14-THD)  
19. 8T-4123 [1] WASHER (3.62X5.75X0.375-MM THK)  
20. 5P-0743 E HOSE (73-CM)  
  E   ORDER BY THE CENTIMETER
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  M   METRIC PART
 

#SEBP28200195
 

242-6998: LINES GP-AUXILIARY HYDRAULIC

242-6998 LINES GP-AUXILIARY HYDRAULIC -LONG STICK
S/N BFA1-UP; BDH1-UP; 3YW1-UP
AN ATTACHMENT
i02195714 SEBP2820
2426998 LINES GP-AUXILIARY HYDRAULIC Parts scheme
  For full view, you need register

Parts for your 301.5 MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5D-1026 [2] CLAMP-BAND  
2. 153-2996 [1] FITTING AS (QUICK DISCONNECT, MALE)  
3. 153-2997 [1] FITTING AS (QUICK DISCONNECT, FEMALE)  
4. 161-2560 [1] CAP-DUST  
5. 161-2561 [1] CAP-DUST  
6. 171-1357 [2] CONNECTOR AS  
    (EACH INCLUDES)
  3K-0360 [1] SEAL-O-RING  
  7J-9108 [1] SEAL-O-RING  
7. 238-1837 [1] ELBOW  
8. 242-6992 I [1] HOSE AS  
9. 242-6993 I [1] HOSE AS  
10. 164-6859 [1] UNION AS  
  6V-8398 [1] SEAL-O-RING  
  6V-9353 [1] UNION  
  7J-9108 [1] SEAL-O-RING  
11. 5P-4116 [2] WASHER-HARD (8.8X20.5X2-MM THK)  
12. 5P-7854 [2] CLIP  
13. 6V-9169 [1] NUT (13/16-16-THD)  
14. 6V-9170 [2] NUT-BULKHEAD (1-14-THD)  
15. 8T-4908 M [2] BOLT (M8X1.25X25-MM)  
16. 5P-0743 E [81] HOSE  
  E   ORDER BY THE CENTIMETER
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  M   METRIC PART
 

#SEBP28200196
 

242-6999: LINES GP-AUXILIARY HYDRAULIC

242-6999 LINES GP-AUXILIARY HYDRAULIC -2-WAY,LONG STICK
S/N BFA1-UP; BDH1-UP; 3YW1-UP
AN ATTACHMENT
i02195713 SEBP2820
2426999 LINES GP-AUXILIARY HYDRAULIC Parts scheme
  For full view, you need register

Parts for your 301.5 MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5D-1026 [2] CLAMP-BAND  
2. 144-7031 I [1] HOSE AS  
3. 153-2996 [1] FITTING AS (QUICK DISCONNECT, MALE)  
4. 153-2997 [1] FITTING AS (QUICK DISCONNECT, FEMALE)  
5. 161-2560 [1] CAP-DUST  
6. 161-2561 [1] CAP-DUST  
7. 169-5701 [1] CONNECTOR AS  
  3K-0360 [1] SEAL-O-RING  
  6V-8398 [1] SEAL-O-RING  
  152-6942 [1] CONNECTOR  
8. 171-1357 [2] CONNECTOR AS  
    (EACH INCLUDES)
  3K-0360 [1] SEAL-O-RING  
  7J-9108 [1] SEAL-O-RING  
  160-5083 [1] CONNECTOR  
9. 232-6118 [1] VALVE GP-MANUAL (AUXILIARY HYDRAULICS)  
  8T-0288 M [1] BOLT (M5X0.8X12-MM)  
  8T-4205 [1] WASHER-HARD (7.2X14.5X2-MM THK)  
  242-2209 [1] HANDLE  
10. 238-1837 [1] ELBOW  
11. 242-6992 I [1] HOSE AS  
12. 242-6993 I [1] HOSE AS  
13. 244-4873 [1] FILM-INSTRUCTION (MANUAL VALVE, AUX HYDRAULICS)(AUXILIARY BALL VALVE)  
14. 148-8318 [1] CONNECTOR AS  
  3K-0360 [1] SEAL-O-RING  
  6V-8397 [1] SEAL-O-RING  
  6V-8634 [1] CONNECTOR  
15. 148-8338 [1] CONNECTOR AS  
  3J-1907 [1] SEAL-O-RING  
  6V-8397 [1] SEAL-O-RING  
  8T-0075 [1] CONNECTOR  
16. 148-8342 [1] CONNECTOR AS  
  3K-0360 [1] SEAL-O-RING  
  6V-8632 [1] CONNECTOR  
  7J-9108 [1] SEAL-O-RING  
17. 8T-4224 [2] WASHER-HARD (8.8X16X2-MM THK)  
18. 5P-7854 [2] CLIP  
19. 6V-9169 [1] NUT (13/16-16-THD)  
20. 6V-9170 [2] NUT-BULKHEAD (1-14-THD)  
21. 8T-4123 [1] WASHER (3.62X5.75X0.375-MM THK)  
22. 8T-4189 M [2] BOLT (M8X1.25X20-MM)  
23. 5P-0743 E HOSE (73-CM)  
  E   ORDER BY THE CENTIMETER
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  M   METRIC PART
 

#SEBP28200197
 

144-7405: LINES GP-BLADE

144-7405 LINES GP-BLADE
S/N BDH1-815; 3YW1-3479
CANNOT BE USED WITH @@@@@148-3446@@@@@
AN ATTACHMENT
i00782788 SEBP2820
1447405 LINES GP-BLADE Parts scheme
  For full view, you need register

Parts for your 301.5 MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 144-6978 I [1] HOSE AS  
2. 144-6979 I [1] HOSE AS  
3. 164-9639 [2] CONNECTOR AS  
    (EACH INCLUDES)
  3J-1907 [1] SEAL-O-RING  
  4J-5477 [1] SEAL-O-RING  
  148-7925 [1] CONNECTOR  
4. 148-8369 [2] ELBOW AS  
    (EACH INCLUDES)
  3J-7354 [1] SEAL-O-RING  
  4J-5477 [1] SEAL-O-RING  
  6V-8628 [1] ELBOW  
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
 

#SEBP28200198
 

144-7405: LINES GP-BLADE

144-7405 LINES GP-BLADE
S/N BDH816-UP; 3YW3480-UP
CANNOT BE USED WITH @@@@@148-3446@@@@@
AN ATTACHMENT
i02195154 SEBP2820
1447405 LINES GP-BLADE Parts scheme
  For full view, you need register

Parts for your 301.5 MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 144-6978 I [1] HOSE AS  
2. 144-6979 I [1] HOSE AS  
3. 164-9639 [2] CONNECTOR AS  
    (EACH INCLUDES)
  3J-1907 [1] SEAL-O-RING  
  4J-5477 [1] SEAL-O-RING  
  148-7925 [1] CONNECTOR  
4. 148-8368 C [2] ELBOW AS  
    (EACH INCLUDES)
  3J-1907 [1] SEAL-O-RING  
  4J-5477 [1] SEAL-O-RING  
  6V-8627 [1] ELBOW  
  C   CHANGE FROM PREVIOUS TYPE
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
 

#SEBP28200199
 

148-3446: LINES GP-BLADE

148-3446 LINES GP-BLADE
S/N BDH1-815; 3YW1-3479
GERMANY ONLY
AN ATTACHMENT
i01309722 SEBP2820
1483446 LINES GP-BLADE Parts scheme
  For full view, you need register

Parts for your 301.5 MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 144-6978 I [1] HOSE AS  
2. 144-6979 I [1] HOSE AS  
3. 148-8325 [2] CONNECTOR AS  
    (EACH INCLUDES)
  3J-1907 [1] SEAL-O-RING  
  4J-5477 [1] SEAL-O-RING  
  6V-8641 [1] CONNECTOR  
4. 148-8369 [2] ELBOW AS  
    (EACH INCLUDES)
  3J-7354 [1] SEAL-O-RING  
  4J-5477 [1] SEAL-O-RING  
  6V-8628 [1] ELBOW  
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
 

Information:

Technical Information Bulletin
Incorrect Pressure Specification For PiIot System Pressure Test
Incorrect Pressure Specification For PiIot System Pressure Test
Service Magazine
Correction To Mini-Excavator Hydraulic System Schematic {5050}
1998/10/05
Correction To Testing And Adjusting Manual, RENR2806 {5050}
1999/05/17
Correction To Testing And Adjusting Manual, RENR2806 {5050}
1999/06/21

Caterpillar Parts SIS Catalog 301.5 :

FILTER GP-OIL
149-2830 FILTER GP-OIL
FILTER GP-OIL
149-2830 FILTER GP-OIL
DRAIN GP-ECOLOGY
161-2487 DRAIN GP-ECOLOGY
CYLINDER GP-UNDERCARRIAGE
212-6331 CYLINDER GP-UNDERCARRIAGE
CYLINDER GP-UNDERCARRIAGE
177-4796 CYLINDER GP-UNDERCARRIAGE
CYLINDER GP-TILT
244-3074 CYLINDER GP-TILT
CYLINDER GP-SWING BOOM
212-6334 CYLINDER GP-SWING BOOM
CYLINDER GP-SWING BOOM
166-8122 CYLINDER GP-SWING BOOM
149-1111 HYDRAULIC AR
186-4311 HYDRAULIC AR
LINES GP-AUXILIARY HYDRAULIC
224-9333 LINES GP-AUXILIARY HYDRAULIC
LINES GP-AUXILIARY HYDRAULIC
232-1567 LINES GP-AUXILIARY HYDRAULIC
LINES GP-AUXILIARY HYDRAULIC
242-6998 LINES GP-AUXILIARY HYDRAULIC
LINES GP-AUXILIARY HYDRAULIC
242-6999 LINES GP-AUXILIARY HYDRAULIC
LINES GP-BLADE
144-7405 LINES GP-BLADE
LINES GP-BLADE
144-7405 LINES GP-BLADE

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