MAXIFORCE CATALOG FOR Cummins ENGINE REPLACEMENT PARTS


QSB
Series
Engine & Equipment Model
4BT 4.5 QSB

16 VALVE

CM850

 

Bore: 4.21 in / 107 mm

Stroke: 4.88 in / 124 mm

Cummins CPL's

1700
1701
2743
8725
8754
8755
8756
41100
41472
41700
41701
41703
42743
43172
44195
ANTEC
PW5000 Asphalt Paver
CASE
4000V
Skid Steer
V400
Skid Steer
HYUNDAI
HL730-9S
Front Loader
VIBRATORY COMPACTORS
Ammann ASC110D
Ammann ASC110HD
Ammann ASC130D
Ammann ASC130HD
Ammann ASC150HD
Ammann ASC150D
Case SV212
Case SV216
DYNAPAC
CA250
1)
Engine O/H Kit
COK5160/4
(Содержимое комплекта)

COK5160/4 [X]

Item N°QuantityDescription
38020101BRG, MAIN SET STD 4B
39011708BRG, CON ROD STD B SERIES
39400591BUSHING, CAMSHAFT B SERIES
48908321SEAL, CRANKSHAFT FRONT 4.5 & 6.7
48911784BUSHING, CON ROD B SERIES
49551604KIT, PISTON, QSB 4.5/6.7, STD
49553561GASKET, TOP SET QSB 4.5
49553571GASKET, BOTTOM SET QSB 4.5
49553721SEAL CRANKSHAFT REAR 4.5 & 6.7
Std
COK5481/4
(Содержимое комплекта)

COK5481/4 [X]

Item N°QuantityDescription
38020101BRG, MAIN SET STD 4B
39011708BRG, CON ROD STD B SERIES
39400591BUSHING, CAMSHAFT B SERIES
48908321SEAL, CRANKSHAFT FRONT 4.5 & 6.7
48911784BUSHING, CON ROD B SERIES
49553561GASKET, TOP SET QSB 4.5
49553571GASKET, BOTTOM SET QSB 4.5
49553721SEAL CRANKSHAFT REAR 4.5 & 6.7
49554814KIT, PISTON, QSB 4.5/6.7, 0.50MM
0.50 mm
2)
O/H Kit Fractured Rod
COK5160F/4
(Содержимое комплекта)

COK5160F/4 [X]

Item N°QuantityDescription
38020101BRG, MAIN SET STD 4B
39011704BRG, CON ROD STD B SERIES
39400591BUSHING, CAMSHAFT B SERIES
48908321SEAL, CRANKSHAFT FRONT 4.5 & 6.7
48911784BUSHING, CON ROD B SERIES
48936934BRG, CON ROD, STD, B SERIES (LOWER)
49551604KIT, PISTON, QSB 4.5/6.7, STD
49553561GASKET, TOP SET QSB 4.5
49553571GASKET, BOTTOM SET QSB 4.5
49553721SEAL CRANKSHAFT REAR 4.5 & 6.7
Std
(*)
COK5481F/4
(Содержимое комплекта)

COK5481F/4 [X]

Item N°QuantityDescription
38020101BRG, MAIN SET STD 4B
39011704BRG, CON ROD STD B SERIES
39400591BUSHING, CAMSHAFT B SERIES
48908321SEAL, CRANKSHAFT FRONT 4.5 & 6.7
48911784BUSHING, CON ROD B SERIES
48936934BRG, CON ROD, STD, B SERIES (LOWER)
49553561GASKET, TOP SET QSB 4.5
49553571GASKET, BOTTOM SET QSB 4.5
49553721SEAL CRANKSHAFT REAR 4.5 & 6.7
49554814KIT, PISTON, QSB 4.5/6.7, 0.50MM
0.50
3)
Engine I/F Kit
CIK5160/4
(Содержимое комплекта)

CIK5160/4 [X]

Item N°QuantityDescription
38020101BRG, MAIN SET STD 4B
49553561GASKET, TOP SET QSB 4.5
39011708BRG, CON ROD STD B SERIES
49392461GASKET, OIL PAN QSB 4.5
49551604KIT, PISTON, QSB 4.5/6.7, STD
Std
CIK5481/4
(Содержимое комплекта)

CIK5481/4 [X]

Item N°QuantityDescription
38020101BRG, MAIN SET STD 4B
49553561GASKET, TOP SET QSB 4.5
39011708BRG, CON ROD STD B SERIES
49392461GASKET, OIL PAN QSB 4.5
49554814KIT, PISTON, QSB 4.5/6.7, 0.50 mm
0.50 mm
1)
Piston & Ring Kit
4955160
Std
4955481
0.50 mm
Use 4
Main Bearing Set
3802010
Std
3802011
0.25 mm
3802012
0.50 mm
3802013
0.75 mm
Use 1
Con Rod Bearing
3901170
Std
3901171
0.25 mm
3901172
0.50 mm
3901173
0.75 mm
Rod bearings are priced and sold per shell
Fractured Con Rod Bearing
4893693
Std
(*)
4892795
0.25 mm
4892796
0.50 mm
4892797
0.75 mm
Rod bearings are priced and sold per shell
Piston Kit: 

1) 1 4934860 Piston Std,           1 4955251 Ring Set  Std,             1 4931041 Piston Pin,   2 3920691 Ret.

2) 1 4934816 Piston 0.50 mm, 1 4955480 Ring Set  0.50 mm,  1 4931041 Piston Pin,   2 3920691 Ret.

1)
Front Seal
4890832
2)
Rear Seal
4955372
3)
Crankshaft, Gear
3955151
4)
Ring Gear
3903309
(173T)
(1)
3905427
(127T)
(1)
3901774
(159T)
(1)
3902127
(138T)
(1)
1)
Top Gasket Set
4955356
2)
Bottom Gsk Set
4955357
3)
Head Gasket
4932209
4)
Oil Pan Gasket
4939246
5)
Valve Cover Gsk
4899228
1)
Bushing, Piston
4891178
x4
2)
Bushing, Cam
3940059
x1
3)
Bolt, Con Rod
4891179
x8
4)
Con Rod
4943979
5)
Bolt, Ex Manifold
3944593
(2)
1)
Camshaft
3977547
2)
Tappet
3947759
3)
Rocker Arms
3942734
x4
3942735
x4
4)
Camshaft Gear
3955152
1)
Oil Cooler 7 Plt
3921558
(1)
2)
Oil Cooler Gasket
3942914
3)
Oil Cooler Gasket Filter Head
3942915

Valve Section

(Click image to zoom the valve diagram.)

1)
Intake, Valve Kit
2)
Insert, Valve
1)
3802924
Kit
Consists of:
3940735
x1
Valve
3940123
x2
Collet
2)
3943449
Use 8
1)
Exhaust, Valve Kit
2)
Insert, Valve
1)
3802967
Kit
Consists of:
3940734
x1
Valve
3940123
x2
Collet
2)
3943450
Use 8
1)
Spring, Valve
2)
Seal, Valve
3)
Retainer, Valve
1)
4936080
x16
2)
3955393
x16
3)
3943198
x16
1)
Water Pump
3800984
2)
Water Pump Seal
3906698
3)
Thermostat
5292708
Pump, Oil
4939586
1)
Head Bolts
3927063
x18
2)
Belt Tensioner
3914086

(*) On Fracture Split Con Rods use: 4 of C3901170 (or O/S) and 4 of C4893693 (or O/S).
(1) Check for proper application.
(2) C3944593 is a flanged head cap screw. If a studded flange cap screw is needed, please order 3944655 from an OE Cummins dealer