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Cummins 4BT 4.5 QSB

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AVAILABLE EQUIPMENT MODELS
Engine Series: QSB
Engine Model: 4BT 4.5 QSB
Engine Data:

16 VALVE
Engine Info: 4 Cyl
Engine Dimensions:

CM850

Bore: 4.21 in / 107 mm

Stroke: 4.88 in / 124 mm
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    Equipment Models

    Cummins CPL's

    • 1700
    • 1701
    • 2743
    • 8725
    • 8754
    • 8755
    • 8756
    • 41100
    • 41472
    • 41700
    • 41701
    • 41703
    • 42743
    • 43172
    • 44195

    Case

    • 4000V - Skid Steer
    • V400 - Skid Steer

    hyundai

    • HL730-9S - Front Loader

    Antec

    • PW5000 - Asphalt Paver

    Dynapac

    • CA250

    Vibratory Compactors

    • Ammann - ASC110D
    • Ammann - ASC110HD
    • Ammann - ASC130D
    • Ammann - ASC130HD
    • Ammann - ASC150HD
    • Ammann - ASC150D
    • Case - SV212
    • Case - SV216

    Komatsu

    • WA200-6 - Wheel Loader
    • WA200PZ-6 - Wheel Loader
  • 1) Engine O/H Kit
    COK5160/4 Std Click to view kit content
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    Item #:
    Quantity:
    Description:
    C3802010
    1
    BRG, MAIN SET STD 4B
    C3901170
    8
    BRG, CON ROD STD B SERIES
    C3940059
    1
    BUSHING, CAMSHAFT B SERIES
    C4890832
    1
    SEAL, CRANKSHAFT FRONT 4.5 & 6.7
    C4891178
    4
    BUSHING, CON ROD B SERIES
    C4955160
    4
    KIT, PISTON, QSB 4.5/6.7, STD
    C4955356
    1
    GASKET, TOP SET QSB 4.5
    C4955357
    1
    GASKET, BOTTOM SET QSB 4.5
    C4955372
    1
    SEAL CRANKSHAFT REAR 4.5 & 6.7
         COK5481/4 0.50 mm Click to view kit content
    CLOSE
    Item #:
    Quantity:
    Description:
    C3802010
    1
    BRG, MAIN SET STD 4B
    C3901170
    8
    BRG, CON ROD STD B SERIES
    C3940059
    1
    BUSHING, CAMSHAFT B SERIES
    C4890832
    1
    SEAL, CRANKSHAFT FRONT 4.5 & 6.7
    C4891178
    4
    BUSHING, CON ROD B SERIES
    C4955356
    1
    GASKET, TOP SET QSB 4.5
    C4955357
    1
    GASKET, BOTTOM SET QSB 4.5
    C4955372
    1
    SEAL CRANKSHAFT REAR 4.5 & 6.7
    C4955481
    4
    KIT, PISTON, QSB 4.5/6.7, 0.50MM
    2) O/H Kit Fractured Rod
    COK5160F/4 Std (3) Click to view kit content
    CLOSE
    Item #:
    Quantity:
    Description:
    C3802010
    1
    BRG, MAIN SET STD 4B
    C3901170
    4
    BRG, CON ROD STD B SERIES
    C3940059
    1
    BUSHING, CAMSHAFT B SERIES
    C4890832
    1
    SEAL, CRANKSHAFT FRONT 4.5 & 6.7
    C4891178
    4
    BUSHING, CON ROD B SERIES
    C4893693
    4
    BRG, CON ROD, STD, B SERIES (LOWER)
    C4955160
    4
    KIT, PISTON, QSB 4.5/6.7, STD
    C4955356
    1
    GASKET, TOP SET QSB 4.5
    C4955357
    1
    GASKET, BOTTOM SET QSB 4.5
    C4955372
    1
    SEAL CRANKSHAFT REAR 4.5 & 6.7
         COK5481F/4 0.50 Click to view kit content
    CLOSE
    Item #:
    Quantity:
    Description:
    C3802010
    1
    BRG, MAIN SET STD 4B
    C3901170
    4
    BRG, CON ROD STD B SERIES
    C3940059
    1
    BUSHING, CAMSHAFT B SERIES
    C4890832
    1
    SEAL, CRANKSHAFT FRONT 4.5 & 6.7
    C4891178
    4
    BUSHING, CON ROD B SERIES
    C4893693
    4
    BRG, CON ROD, STD, B SERIES (LOWER)
    C4955356
    1
    GASKET, TOP SET QSB 4.5
    C4955357
    1
    GASKET, BOTTOM SET QSB 4.5
    C4955372
    1
    SEAL CRANKSHAFT REAR 4.5 & 6.7
    C4955481
    4
    KIT, PISTON, QSB 4.5/6.7, 0.50MM
    3) Engine I/F Kit
    CIK5160/4 Std Click to view kit content
    CLOSE
    Item #:
    Quantity:
    Description:
    C3802010
    1
    BRG, MAIN SET STD 4B
    C4955356
    1
    GASKET, TOP SET QSB 4.5
    C3901170
    8
    BRG, CON ROD STD B SERIES
    C4939246
    1
    GASKET, OIL PAN QSB 4.5
    C4955160
    4
    KIT, PISTON, QSB 4.5/6.7, STD
         CIK5481/4 0.50 mm Click to view kit content
    CLOSE
    Item #:
    Quantity:
    Description:
    C3802010
    1
    BRG, MAIN SET STD 4B
    C4955356
    1
    GASKET, TOP SET QSB 4.5
    C3901170
    8
    BRG, CON ROD STD B SERIES
    C4939246
    1
    GASKET, OIL PAN QSB 4.5
    C4955481
    4
    KIT, PISTON, QSB 4.5/6.7, 0.50 mm
         SPEC SHEET - 4BT 4.5 QSB
  • 1) Piston & Ring Kit
    C4955160 Std C4955481 0.50 mm
    Use 4
  • Main Bearing Set
    C3802010 Std C3802011 0.25 mm C3802012 0.50 mm C3802013 0.75 mm
    Use 1
  • Con Rod Bearing
    C3901170 Std C3901171 0.25 mm C3901172 0.50 mm C3901173 0.75 mm
    Rod bearings are priced and sold per shell
  • Fractured Con Rod Bearing
    C4893693 Std (3) C4892795 0.25 mm C4892796 0.50 mm C4892797 0.75 mm
    Rod bearings are priced and sold per shell
    • Piston Kit:

    1) 1 C4934860 Piston Std,           1 C4955251 Ring Set  Std,             1 C4931041 Piston Pin,   2 C3920691 Ret.

    2) 1 C4934816 Piston 0.50 mm, 1 C4955480 Ring Set  0.50 mm,  1 C4931041 Piston Pin,   2 C3920691 Ret.

  • 1) Front Seal
    C4890832
    2) Rear Seal
    C4955372
    3) Crankshaft, Gear
    C3955151
    4) Crankshaft
    C3974539 (1)
    5) Ring Gear
    C3903309 (173T) (1) C3905427 (127T) (1) C3901774 (159T) (1) C3902127 (138T) (1)
  • 1) Top Gasket Set
    C4955356
    2) Bottom Gsk Set
    C4955357
    3) Head Gasket
    C4932209
    4) Oil Pan Gasket
    C4939246
    5) Valve Cover Gsk
    C4899228
  • 1) Bushing, Piston
    C4891178 x4
    2) Bushing, Cam
    C3940059 x1
    3) Bolt, Con Rod
    C4891179 x8
    4) Con Rod
    C4943979
    5) Bolt, Ex Manifold
    C3944593 (2) C3944655 (4)
    6) Spacer, Ex. Manifold
    C3945252
  • 1) Camshaft
    C3977547
    2) Tappet
    C3947759
    3) Rocker Arms
    C3942734 x4 C3942735 x4
    4) Camshaft Gear
    C3955152
    5) Camshaft Key
    C3902332
  • 1) Oil Cooler 7 Plt
    C3921558 (1)
    2) Oil Cooler Gasket
    C3942914
    3) Oil Cooler Gasket Filter Head
    C3942915
Valve Section
(1): Check application for proper usage.
(2): Flanged Head Cap Screw.
(3): On Fracture Split Con Rods use: 4 of <a href=”http://sales.maxiforce.com/maxi/Services/winImages.aspx?type=p&amp;Id=C3901170″>C3901170</a> (or O/S) and 4 of <a href=”http://sales.maxiforce.com/maxi/Services/winImages.aspx?type=p&amp;Id=C4893693″>C4893693</a> (or O/S).
(4): Studded Flange Cap Screw.