Bobcat Hydraulic

Will putting regular motor oil into a hydraulic reservior to raise the oil level up to normal hurt anything ?

We have a bobcat skid steer loader on the farm that was built in the mid 70's. Works pretty good for its age and we don't push it hard but it has it's share of leaks mostly at the seals. We were told by a mechanic that works on them that if you didn't have any hydraulic oil on hand you could put W30 motor oil in the reservior to bring it back up to proper level. Thats been a couple of years ago and now motor oil of any viscosity is being put into it. Will this damage any of the system; seals ,pump,valves etc.? The whole system will take about 13 gals. and I'm concerned that when I change the filter and top off with oil its just going to be a waste of oil and filter unless the whole system is flushed out.

Yup. The mechanic just wanted extra work. You will be back with a broken hydraulic system pump. You do that in emergency situations. It is not meant to stay in there. The whole system has to be flushed out and cleaned. that means parts taken apart and washed clean of oil. Brake fluid(hydraulic fluid is not oil). Oil will harden seals and neoprene causing them to leak even more. Also oil is corrosive to flexible hoses and they will crack. Oil will also burn.

Bobcat Hydraulic Filter S220 S250 S300 S330 T250 T300 T320 skid steer 6661248 IL
Bobcat Hydraulic Filter S220 S250 S300 S330 T250 T300 T320 skid steer 6661248 IL
$43.99
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Bobcat Hydraulic Motor Repair Service Manual 6570270 3 86 w Revisions to 11 96
Bobcat Hydraulic Motor Repair Service Manual 6570270 3 86 w Revisions to 11 96
$55.00
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Bobcat Hydraulic Pump Repair Service Manual 6570268 3 86 with Revisions to 1 91
Bobcat Hydraulic Pump Repair Service Manual 6570268 3 86 with Revisions to 1 91
$55.00
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Bobcat 442 Hydraulic Excavator Color Brochure         b1
Bobcat 442 Hydraulic Excavator Color Brochure b1
$20.00
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BOBCAT 7102090 LARGEHYDRAULIC HOSE NEW
BOBCAT 7102090 LARGEHYDRAULIC HOSE NEW
$64.99
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Bobcat HB Series Hydraulic Breaker Operation maintenance Manual
Bobcat HB Series Hydraulic Breaker Operation maintenance Manual
$37.50
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Bobcat Flat face Quick Coupler Hydraulic S130 S150 S160 S175 S185 S205 6680018
Bobcat Flat face Quick Coupler Hydraulic S130 S150 S160 S175 S185 S205 6680018
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Bobcat Skid Hydraulic Case Drain Filter T110 T140 T180 T190 T200 T250 T300 T320
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$17.00
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Bobcat 331  334 Hydraulic Cylinder SN198230775 PN7148457
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$675.00
Time Remaining: 1d 4h 27m
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BOBCAT 863G USED HYDRAULIC BRAKE VALVE GOOD CONDITION
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$49.00
Time Remaining: 1d 4h 34m
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Bobcat Skid Steer Hydraulic Tube P N 6711738 or 6727801
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$11.00
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6804609 Bobcat Skid Steer Loader Lift Hydraulic Cylinder Seal Kit 873 Rod
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$28.80
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ORIGINAL BOBCAT 6560 HYDRAULIC BREAKER OPERATION MAINTENANCE MANUAL SEALED
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Bobcat Flat face Quick Coupler Hydraulic 751 753 763 773 863 873 883 963 Skid
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Bobcat Flat face Quick Coupler Hydraulic 751 753 763 773 863 873 883 963 skid
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Bobcat Hydraulic Pallet Fork Service Manual 42 Model  48 Model
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$40.00
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NEW BOBCAT HYDRAULIC CYLINDER  6675373 HYD GRAPPLE BLADE OTHER TILT TACH
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Bobcat Hydraulic Filter 7012314
Bobcat Hydraulic Filter 7012314
$20.25
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BOBCAT 6679837 MALE HYDRAULIC COUPLER S150 S160 S175 S185 S205 S220 S250 S300
BOBCAT 6679837 MALE HYDRAULIC COUPLER S150 S160 S175 S185 S205 S220 S250 S300
$73.99
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BOBCAT 6679837 MALE HYDRAULIC COUPLER T140 T180 T190 T200 T250 T300 T320 763 773
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Faster 6679837 Male 1 2 Hydraulic Flat Face Quick Coupler For Bobcat Skid Steer
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$69.92
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Faster 6687636 Female 1 2 Hydraulic Flat Face Quick Coupling Bobcat Skid Steer
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$59.93
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Faster 7167432 Male JIC 12 Hydraulic Flat Face Quick Coupling Bobcat Skid Steer
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$59.93
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Bobcat Hydraulic Filter 6653336 New in the box
Bobcat Hydraulic Filter 6653336 New in the box
$15.00
Time Remaining: 1d 18h 19m
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Bobcat Hydraulic Pallet Fork 42 S N 230900101 48 230800101 Service Manual 99
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$25.00
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Bobcat Flat face Male Quick Coupler Hydraulic T630 T650 T750 T770 T870 skid
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$73.99
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Bobcat 6661248 Hydraulic Filter BRAND NEW
Bobcat 6661248 Hydraulic Filter BRAND NEW
$19.95 (1 Bid)
Time Remaining: 2d 3h 32m

Bobcat Hydraulic oil
Bobcat Hydraulic oil
$12,050.00
Time Remaining: 2d 8h 35m
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BOBCAT HYDRAULIC BLADE CYLINDER fits E32 excavator
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Bobcat Hydraulic Fan Filter 6692337
Bobcat Hydraulic Fan Filter 6692337
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6505849 New Bobcat Loader Lift Hydraulic Cylinder Seal Kit 444 Rod
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$15.46
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6505849 New Bobcat Loader Lift Hydraulic Cylinder Seal Kit 500E 600E Rod
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$15.46
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Bobcat Flat face Male Quick Coupler Hydraulic S630 S650 S750 S770 S850 skid
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$73.99
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Bobcat 341 Hydraulic Swing Motor
Bobcat 341 Hydraulic Swing Motor
$1,228.56
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Bobcat 643 Hydraulic Drive Motor
Bobcat 643 Hydraulic Drive Motor
$1,090.12
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Bobcat 337 Hydraulic Swing Motor
Bobcat 337 Hydraulic Swing Motor
$1,228.56
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Bobcat 331E Hydraulic Drive Motor 9 Sprocket
Bobcat 331E Hydraulic Drive Motor 9 Sprocket
$2,780.00
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NEW Bobcat 331E Hydraulic Drive Motor 12 Sprocket
NEW Bobcat 331E Hydraulic Drive Motor 12 Sprocket
$2,925.00
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Bobcat 331D Hydraulic Drive Motor 12 Sprocket
Bobcat 331D Hydraulic Drive Motor 12 Sprocket
$2,925.00
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Bobcat 331D Hydraulic Drive Motor 9 Sprocket
Bobcat 331D Hydraulic Drive Motor 9 Sprocket
$2,780.00
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Bobcat 430 Hydraulic Final Drive Motor
Bobcat 430 Hydraulic Final Drive Motor
$2,619.70
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Bobcat 730 Series Hydraulic Drive Motor Stump Grinder SG60 Attachment
Bobcat 730 Series Hydraulic Drive Motor Stump Grinder SG60 Attachment
$980.82
Time Remaining: 3d 4h 54m
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Hydraulic Drive Motor For Bobcat OEM 6675939
Hydraulic Drive Motor For Bobcat OEM 6675939
$1,817.88
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Bobcat 630 Series Hydraulic Drive Motor Stump Grinder SG60 Attachment
Bobcat 630 Series Hydraulic Drive Motor Stump Grinder SG60 Attachment
$980.82
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Hydraulic Final Drive Motor for Bobcat OEM 6683380
Hydraulic Final Drive Motor for Bobcat OEM 6683380
$2,619.70
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Bobcat Flat Face Female Quick Coupler Hydraulic S630 S650 S750 S770 S850 skid
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$129.99
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BALDWIN BT453 HYDRAULIC FILTER FOR BOBCAT CAT FORD JOHN DEERE KOMATSU MORE
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$13.99
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BOBCAT 7753 HYDRAULIC DRIVE MOTOR CHARLYNN 114 1060 005
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$410.00
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Bobcat 873 Hydraulic Control Valve C Series Skid Steer 863
Bobcat 873 Hydraulic Control Valve C Series Skid Steer 863
$995.00
Time Remaining: 3d 15h 42m
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Bobcat 873 Hydraulic Oil Tank Skid Steer 883
Bobcat 873 Hydraulic Oil Tank Skid Steer 883
$59.99
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BOBCAT SKIDSTEER HYDRAULIC PALLET FORK OPERATORS MANUAL
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$14.24
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BOBCAT HYDRAULIC VALVE COMPONENT REPAIR MANUAL
BOBCAT HYDRAULIC VALVE COMPONENT REPAIR MANUAL
$12.95
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BOBCAT 863G USED HYDRAULIC PUMP COMPLETE 6656074 6672588 GOOD CONDITION SALE
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$2,179.00
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BOBCAT 231 HYDRAULIC EXCAVATOR SERVICE REPAIR MANUAL sn 11000 below
BOBCAT 231 HYDRAULIC EXCAVATOR SERVICE REPAIR MANUAL sn 11000 below
$67.49
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6804630 New Bobcat Skit Steer Bucket Tilt Hydraulic Cylinder 753 763 773 7753 +
6804630 New Bobcat Skit Steer Bucket Tilt Hydraulic Cylinder 753 763 773 7753 +
$831.99
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BOBCAT 6680018 FEMALE HYDRAULIC COUPLER S130 S150 S160 S175 S185 S205 S250 S300
BOBCAT 6680018 FEMALE HYDRAULIC COUPLER S130 S150 S160 S175 S185 S205 S250 S300
$119.99
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BOBCAT 6680018 FEMALE HYDRAULIC COUPLER 751 753 763 773 863 873 883 963
BOBCAT 6680018 FEMALE HYDRAULIC COUPLER 751 753 763 773 863 873 883 963
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Bobcat Hydraulic Filter 751 753 763 7753 773 853 863 864 873 883 943 6661248 IL
Bobcat Hydraulic Filter 751 753 763 7753 773 853 863 864 873 883 943 6661248 IL
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HYDRAULIC QUICK RELEASE FLAT FACE COUPLING EXCAVATOR BOBCAT HAMMER AUGER FULLKIT
HYDRAULIC QUICK RELEASE FLAT FACE COUPLING EXCAVATOR BOBCAT HAMMER AUGER FULLKIT
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HYDRAULIC QUICK RELEASE FLAT FACE COUPLING EXCAVATOR BOBCAT HAMMER AUGER PAIR
HYDRAULIC QUICK RELEASE FLAT FACE COUPLING EXCAVATOR BOBCAT HAMMER AUGER PAIR
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Bobcat Hydraulic Filter S100 S130 S150 S160 S175 S185 S205 skid steer 6661248 IL
Bobcat Hydraulic Filter S100 S130 S150 S160 S175 S185 S205 skid steer 6661248 IL
$40.00
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BOBCAT 5060 HYDRAULIC BREAKER OPERATORS MAINT MANUAL
BOBCAT 5060 HYDRAULIC BREAKER OPERATORS MAINT MANUAL
$14.24
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BOBCAT 6560 HYDRAULIC BREAKER OPERATORS MAINT MANUAL
BOBCAT 6560 HYDRAULIC BREAKER OPERATORS MAINT MANUAL
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BOBCAT B700 HYDRAULIC BREAKER OPERATORS MANUAL OWNERS
BOBCAT B700 HYDRAULIC BREAKER OPERATORS MANUAL OWNERS
$14.24
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2 Clark Bobcat Hydraulic Cylinder Seal Kit Part  6509122
2 Clark Bobcat Hydraulic Cylinder Seal Kit Part 6509122
$50.00
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Bobcat 440B Hydraulic Control Valve 6802997
Bobcat 440B Hydraulic Control Valve 6802997
$200.00
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Bobcat 753 Hydraulic Control Valve Part 6596436 Used Reseal
Bobcat 753 Hydraulic Control Valve Part 6596436 Used Reseal
$950.00
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Bobcat 863 C Misc Hydraulic Lines 873 T200 864 Skid Steer Skidsteer
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Bobcat Hydrostatic Hydraulic pump T250 T300 864 and similar
Bobcat Hydrostatic Hydraulic pump T250 T300 864 and similar
$1,795.00
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Faster Female 1 2 Hydraulic Flat Face Coupling Bobcat Skid Steer Loader 6667348
Faster Female 1 2 Hydraulic Flat Face Coupling Bobcat Skid Steer Loader 6667348
$37.00
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New Bobcat Hydraulic Hose Part  7 214 602  7214602
New Bobcat Hydraulic Hose Part 7 214 602 7214602
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New Bobcat Hydraulic Hose Part  7214599 7 214 599
New Bobcat Hydraulic Hose Part 7214599 7 214 599
$50.00
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BOBCAT TOOLCAT HYDRAULIC PUMP CASAPPA
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$260.00
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Bobcat Flat face Quick Coupler Hydraulic T140 T180 T190 T200 T250 T300 T320 IL
Bobcat Flat face Quick Coupler Hydraulic T140 T180 T190 T200 T250 T300 T320 IL
$73.99
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Bobcat Hydraulic Spreader HS8 S N AC1N00101 Operation  Maintenance Manual 3 11
Bobcat Hydraulic Spreader HS8 S N AC1N00101 Operation Maintenance Manual 3 11
$45.00
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Bobcat Flat face Quick Coupler Hydraulic T140 T180 T190 T200 T250 T300 T320 IL
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$129.99
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admin posted at 2009-12-23 Category: Heavy Equipment