CUMMINS
ENGINE: 4B3.9L Emission Certified
4-390 CDC Emission Certified
BORE: 4.0165" 4 Cyl Diesel NOTES: NA, Long Pin, Piston Stamped 4985 - 4989 or 5441 - 5445            
APPLICATION: Skid Loaders: 1840, 1845C Case After ESN 45636368 w/Bosch Pump; 40XT, 75XT Case-IH;
Provide Engine Serial # Trenchers: 660 Case;  Power Units: 4391 Case-IH;
To Verify All Parts Miscellaneous Farm & Construction Equipment
  QTY ITEM # DESCRIPTION                 LETTERED   ITEMS
  INCLUDED   IN   KIT
Eng Kit Box
 
                 
                   
  1 934147 In-Frame Kit: Machined Split Rod       I    
                   
  1 935147 Out-of-Frame Kit: Machined Split Rod & In-Line Pump   O        
                   
S&P
 
4 131196 STD Piston Kit, Grade A (Includes Pin & Rings) (1)   O   I    
  4 131197 0.50 MM Piston Kit (Includes Pin & Rings)            
  4 131198 1.00 MM Piston Kit (Includes Pin & Rings)            
  4 131167 Piston Pin (3.255" OAL)            
  4 131149 Repair Liner (4.118" OD / 7.875" OAL)            
Rings
 
4 131193 STD Piston Ring Set (Rectangular Top Ring)            
  4 131194 0.50 MM Piston Ring Set (Rectangular Top Ring)            
  4 131195 1.00 MM Piston Ring Set (Rectangular Top Ring)            
R Brgs
 
4 231139 STD Rod Bearing, Machined Split Rod (2)   O   I    
  4 231141 0.25MM Rod Bearing, Machined Split Rod (2) (3)            
  4 231142 0.50MM Rod Bearing, Machined Split Rod (2) (4)            
  4 231143 0.75MM Rod Bearing, Machined Split Rod (2)            
  4 231144 1.00MM Rod Bearing, Machined Split Rod (2)            
M Brgs
 
1 231155 STD Main Bearing Set   O   I    
  1 231156 0.25MM Main Bearing Set            
  1 231157 0.50MM Main Bearing Set            
  1 231158 0.75MM Main Bearing Set            
  1 231159 1.00MM Main Bearing Set            
HD Gkts
 
1 331176 Head Gasket Set   O   I    
  1 331165 STD Head Gasket (5)            
  8 331152 Positive Valve Seal            
  4 331153 Valve Cover Gasket            
FS Gkts
 
1 331168 Lower Gasket Set w/Seals, w/Rotary Pump            
  1 331175 Lower Gasket Set w/Seals, w/In-Line Pump   O        
  1 331171 Tappet Cover Gasket            
  1 331172 Pan Gasket Set       I    
Seal
 
1 331155 Front Crank Seal     "For OS Seal & Sleeve Kit Use 331188"            
  1 331156 Front Crank Thin Wall Wear Sleeve   "Use w/Standard Seal"            
  1 331123 STD Rear Crank Seal (Dry Housing)            
  1 331124 OS Rear Crank Seal & Wear Sleeve Kit (Dry Housing)            
  1 331125 STD Rear Crank Seal (Wet Housing)            
  1 331126 OS Rear Crank Seal & Wear Sleeve Kit (Wet Housing)            
  1 331128 Rear Crank Thin Wall Wear Sleeve   "Use w/Standard Seal"            
CB & PB
 
4 231151 Pin Bushing (Centered Hole) "Late Offset Hole Use 231161"            
  1 231152 Front Cam Bearing, Thru ESN 45537237 (6)            
  1 231154 Front Cam Bearing, After ESN 45537237 (STORM Block) (6)            
  4 231153 Cam Bearing, Intermediate & Rear (Requires Machining) (6)            
Bolt
 
8 731135 Rod Bolt, Machined Split Rod (7)            
  1 731141 Head Bolt Kit            
(1)For Grade B Use 131415 / For Grade C Use 131416
(2)For Fracture Split Rods Use 231163 - STD / 231164 - 0.25MM / 231165 - 0.50MM / 231166 - 0.75MM / 231167 - 1.00MM
(3).010 OS OD: 231177 (4).010 OS OD: 231178 (5)+.010-331166 or +.020-331167 (6)Cam Plug Kit: 731137 (7)Fractured Rods-731157
CU-239-U 1/29/2006
Cam Box
 
1 939515 Camshaft Kit           C
                   
VT Box
 
1 939115 Valve Train Kit       V    
                   
                 
                   
Cam
 
1 531131 Camshaft           C
  1 531112 Cam Thrust Plate            
Lifters
 
8 531113 Tappet           C
                   
Valves
 
4 431143 Exhaust Valve       V    
  4 431144 Intake Valve       V    
  8 431157 Valve Wear Cap (Optional Service Repair)            
VT Parts
 
8 431145 Ex/In Service Repair Valve Guide (.439 OD / 2.500" OAL)            
  4 431146 Exhaust Service Repair Valve Guide (.552 OD / 2.052" OAL)            
  4 431147 Intake Service Repair Valve Guide (.552 OD / 2.397" OAL)            
  8 431158 Valve Spring       V    
  16 431149 Valve Keeper (Half)       V    
  8 431151 Valve Spring Retainer            
Seats
 
4 431152 Exhaust Valve Seat (OEM Special Size)            
  4 401138 Exhaust Valve Seat (Universal Size / Uses Standard Cutter)            
  4 431153 Intake Valve Seat (OEM Special Size)            
  4 401139 Intake Valve Seat (Universal Size / Uses Standard Cutter)            
R Arm
 
4 431154 Rocker Arm, Exhaust            
  4 431155 Rocker Arm, Intake            
  4 431156 Rocker Arm Support & Shaft            
Gears
 
1 531123 Cam Gear            
  1 531124 Crank Gear            
  1 531127 Injection Pump Drive Gear, w/Bosch In-Line Pump (8)            
  8 531126 Push Rod            
Oil Pump
 
1 631131 New Oil Pump: 1840, 1845C; 4391 Power Unit            
  1 631132 Rebuilt Oil Pump: 1840, 1845C; 4391 Power Unit            
  1 631133 New Oil Pump: 75XT            
  1 631134 Rebuilt Oil Pump: 75XT            
  1 631129 Oil Cooler            
  4 631126 Piston Cooling Nozzles            
Misc Box
 
1 731111 Crankshaft            
  1 731139 Expansion Plug Kit (Includes 18 Plugs For Head & Block)            
  1 831133 Thermostat Kit (Includes Seal)            
  1 831134 New Water Pump            
  1 831118 Fan Drive Bearing            
  1 831114 Belt Tensioner Assembly            
  1 831135 Block Heater (Cup Plug)             
  1 831139 Block Heater, After ESN 45537237(STORM Block 3/4" NPT)            
  1 831117 Fuel Transfer Pump, w/Bosch In-Line Pump            
  1 831136 Fuel Transfer Pump, w/Bosch or CAV Rotary Pump            
(8)Use 531125 For Bosch or CAV Rotary Pump
CU-239-U 1/29/2006