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    001 ENGINE 01 Cylinder head assy
    01.03.2023 | Full Range Spare Parts | YTO YT4A2-T55FS-1 Engine Parts Catalog

    001 ENGINE 01 Cylinder head assy

     

    序号 No. 零件名称 零件代号 DrawingNo.  数量 Qty.
      ENGINE MODEL YT4A2-22 1
      ENGINE CODE YT4A2-T55FS-1 1
    1 Cylinder head cover, mechanical part L4R010100Y 1
    1.1 Cylinder head L4R010101XY-1 1
    1.2 Bowl-shapedtabularplug YTQ031.2-28-Zn.D 4
    1.3 Bowl-shapedtabularplug 10 R.010107 4
    1.4 valve guide pipe① R.010104BFE 8
    1.5 Pressing sleeve screw LR010111 4
    1.6 Nozzle holder insert① LR010109 4
    1.7 Fluorine rubber o-rings GB/T1235 F30×3.1 4
    1.8 Bowl-shapedtabularplug 42 R.010105 2
    1.9 Bowl-shapedtabularplug 35 R.010106 3
    1.1 The exhaust valve seat insert① R010103 4
    1.11 Inlet valve seat insert① R010102Y 4
    2 cylinder head gasket L4R.010011-51 1
    3 Drainage holes before cover gasket R.010024 1
    4 Before the outlet cover plate R010023-FE 1
    5 The side outlet cover RT.010021-51 1
    6 Cylinder head side outlet gasket YFZ4105.010001 1
    7 Front lifting eye 6RT8.010009-FE 1
    8 Cylinder head bolt washer R.010012 18
    9 cylinder head bolt RD.010007 18
    10 Into the valve spring spacer block R010015Y 4
    11 valve oil seal R.010019Y-1 8
    12 valve spring R010003Y 8
    13 Spring cup R010004Y 8
    14 valve key R010005 16
    15 valve top cap R010006 8
    16 acorn nut GB923 M10-Zn.D 4
    17 sealing washer R.010017 4
    18 Rocker arm a stud R.010016 4
    19 Valve rotator fitting R.010300FE 4
    19.1 Valve rotator seated R010301Y 4
    19.2 Spring thrust piece R010302 4
    19.3 Valve rotator spring’ R010304 4
    19.4 Valve rotator under seated R010303 4
    20 Injector platen stud R.010018 4
    21 fuel injector hold-down plate R.010008-51 4
    22 spherical washer GB/T649 8 8-Zn.D 4
    23 nut GB52 M8 4
    24 plug screw NPT1/2 YTQ021.1 NPT1/2 1
    25 lifting eye R.010009 1
    26 Backwater joint cover 6RTⅢ.010026 1
    27 Backwater joint gasket R.010013 1
    28 exhaust valve R010002 4
    29 intake valve Rocker arm shaft parts R010001Y 4
    30 Valve rocker arm R010250 8
    30.1 busbar of rocker arm② R010252A 8
    30.2 valve rocker② R010251 8
    31 Rocker arm adjusting screw R010208 8
    32 nut GB54-76 M10×1 8-Zn.D 8
    33 bolt GB22-76 M10X85 8.8-Zn.D 4
    34 washer GB848-76 10 Zn.D 4
    35 Rocker arm shaft seat R010206 4
    36 spring for rocker shaft R010202 4
    37 Nut GB52 M6-Zn.D 1
    38 Bolt GB75 M6×16 1
    39 Rocker arm shaft seat（oil supply） R010205 1
    40 valve rocker arm shaft 3R010201 1
    41 Rocker arm shaft washer R010204 2
    42 Rocker shaft end spring R010203 2
    43 retainer ring GB894 25 2
    44 plug screwZ3/8 LR010209 2


    002 ENGINE 02 Cylinder block assy

     

     

     

    序号 No. 零件名称 零件代号 DrawingNo.  数量 Qty.
    1 Engine body machining parts YTR4105T.02010 1
    1.1 Engine body 0 1
    1.2 Before the camshaft bushing① YTR4.020101 1
    1.3 main bearing cover① R020106 3
    1.4 Locate the main bearing cover① LR.020102 1
    1.5 rear main bearing cap① LR.020103 1
    1.6 Main bearing bolt washer LR.020111 10
    1.7 Main bearing bolts R020105 10
    1.8 plug screw NPT1/8 R020104 4
    1.9 Camshaft bush① YTQ021.1 4
    2 Top of engine body, location R.020107 3
    3 Pin R.020021 2
    4 Water supply joint gasket R020017 2
    5 cover plate 6RTⅢ.020028 1
    6 Patch NPT3/8 YTQ031.1 60 1
    7 plug screw YTQ021.1 1
    8 Drain valve assembly 1305C1-010 1
    9 The oil pressure gauge joint 6RQ2.020031 2
    10 The body behind the hollow positioning pin 6RQ.020015 1
    11 Thrust tile under tile LR020044 1
    12 Thrust tile on tile LR020043 4
    13 Principal axis tile tile The spindle tile on tile LR020042 4
    14 In front of the body positioning pin R.020023 1
    15 plug screw NPT3/8 LR.010209 1
    16 Push rod cover stud R.020011FE-51 1
    17 nut GB52 M10-Zn.D 1
    18 sealing washer R.010017 4
    19 The push rod cover 4R.020008A 1
    20 domed cap nuts GB923 M10-Zn.D 3
    21 Push rod cover stud R.020011FE 3
    22 Cylinder liner seal RA.020003 12
    23 Crankcase ventilation tubing parts back LR.020300 1
    24 cylinder liner RAD.020001A 4
    25 Pressure limiting valve parts LR.412100-2 1
    25.1 Pressure limiting valve body LR.412102-2 1
    25.2 steel ball GB/T308 19/32" 1
    25.3 Oil pump pressure limiting valve spring LR.412103 1
    25.4 Pressure limiting valve seat LR.412101A 1
    26 Drain hose 4RCT5.020004FE 1
    27 clip YTR4105T2.120023 1

     

    003 Engine 03 Camshaft assy

     

     

    序号 No. 零件名称 零件代号 DrawingNo.  数量 Qty.
    1 bolt GB/T5783 M8×20-Zn.D 2
    2 Camshaft trust plate R030004 1
    3 woodruff key GB/T1099 6×22-Zn.D 1
    4 Camshaft 4R.030011-51B 1
    5 tappet R030002 8
    6 push rod RD.030003 8

     

    004 Engine 04 Crankshaft and flywheel assy

     

    序号 No. 零件名称 零件代号 DrawingNo.  数量 Qty.
    1 bolt GB/T5786 M16×1.5×45 1
    2 washer GB/T93 16-Zn.D 1
    3 The crankshaft shake claw plate LR040007 1
    4 bolt GB/T5783 4
    5 washer M10×30-Zn.D 4
    6 Pulley plate GB/T93 10 1
    7 crankshaft pulley R.040006 1
    8 The crankshaft pulley wheel 4RG1.040003-1 1
    9 Pulley dust cover R040004-52 1
    10 key R040012 2
    11 Crankshaft GB/T1099 10X38 1
    12 freewheel assembly YTR4105.040301-53 1
    12.1 flywheel ring gear 4RT19.040100 1
    12.2 Flywheel R.040602 1
    13 locating pin 4RT19.040101 1
    14 The flywheel screw plate GB/T119.2 14×30 1
    15 bearing R040005 1
    16 The flywheel screw GB/T276 6204-2RS LR040021 7

     

    005 Engine 05 Piston and connecting rod assy

     

     

    序号 No. 零件名称 零件代号 DrawingNo.  数量 Qty.
      Piston and rod assembly YTR.050000 4
    1 1st piston ring YTR3105.050002 1
    2 2nd piston ring YTR3105.050003 1
    3 oil ring assembly YTR3105.050200 1
    4 piston YTRH.050001LB 1
    5 piston pin RA.050004 1
    6 retainer ring 36 Q43036 2
    7 Connecting rod mechanical RD.050100A 1
    7.1 componentsconnecting rod body① RD.050101 1
    7.2 connecting rod bushing① R.050103A 1
    7.3 connecting rod cap① RD.050102 1
    7.4 connecting rod bolt T/Y102-03110A 2
    8 connecting rod bearing shell RD.050005 2

     

    006 Engine 06 Gear train assy

     

     

    序号 No. 零件名称 零件代号 DrawingNo.  数量 Qty.
      Gear train assembly YTR4105T1.060000 1
    1 bolt GB21 M10×25-8.8-Zn.D 3
    2 washer GB/T93 10-Zn.D 5
    3 Hydraulic pump drive gear thrust plate RT060026-1A 1
    4 Hydraulic pump drive gear thrust plate gasket retainer ring RT060032-51 3
    5 Hydraulic pump drive gear parts GB/T894.1 25 1
    6 Hydraulic pump drive gear① YTR.061100 1
    6.1 Hydraulic pump drive gear bushing① YTR.061101 1
    6.2 Air compressor gear RT061102 1
    7 Hydraulic pump drive spline sets R060021A 1
    8 retainer ring RT.060025B2 1
    9 seal ring GB/T895.2 25 1
    10 blocking RT060019-1 1
    11 Hydraulic pump drive gear shaft RT060027 1
    12 Hydraulic Pump Cushion LRT060024-3 1
    13 cover plate LRT.060029 1
    14 spring washer RT060028 1
    15 bolt GB/T93 8-Zn.D 8
    16 Idler gear shaft GB/T5783 M8×30-8.8-Zn.D 8
    17 Fuel injection pump wheel R060009 1
    18   YTR4105T1.060006A-51 1
    19 Timing gear chamber oil pipe parts YTR4105T1.060200 1
    20 Overflow pipe joint screw washer R320002-51 4
    21 Oil duct screws RT060022 2
    22 copper pad 54.02.453 2
    23 The main oil supply joint screw YTR4105T1.060012 1
    24 The fuel injection pump gear plate YTR.060007 1
    25 Gear, fuel injection pump YTR.060005 1
    26 Oil pump drive gear YTR.060002 1
    27 Idle gear parts YTR.060100 1
    28 crankshaft gear YTR.060001 1
    29 Idle gear thrust plate R060011 1
    30 bolt GB/T5782 M10×65-Zn.D 2
    31 camshaft gear YTR.060003 1
    32 The camshaft gear ring R060004 1
    33 washer GB/T93 12-Zn.D 1
    34 bolt GB/T5782 M12×55-8.8-Zn.D 1

     

    007 Engine 07 Sump assy

     

     

    序号 No. 零件名称 零件代号 DrawingNo.  数量 Qty.
    1 bolt GB21 M10×35-8.8-Zn.D 1
    2 washer GB/T93 10-Zn.D 23
    3 bolt GB21 M10×45-8.8-Zn.D 3
    4 bolt GB21 M10×40-8.8-Zn.D 19
    5 Oil drain plug assembly 6RQJ.070100FE 2
    5.1 bolt GB/T5783 M6×20 2
    5.2 washer GB/T95 6 2
    5.3 magnet D27×7×6   2
    5.4 O-Ring O 35×3.5 YTQ.020.2.97 2
    5.5 drain plug RZG310-570 2
    6 oil sump YTR4105T1.070001 1
    7 The oil gauge casing YTR.070024-51 1
    8 The oil gauge fitting YTR.070200-52 1
    9 oil pan gastet YTR4105T1.070004 1

     

    008 Engine 08 Timing gear chamber assy

     

     

    序号 No. 零件名称 零件代号 DrawingNo.  数量 Qty.
    1 bolt GB21 M8×18-4.8-Zn.D 4
    2 spring washer GB/T93 8-Zn.D 9
    3 Hydraulic Pump Cushion LRT.060029 1
    4 cover plate RT060028 1
    5 bolt GB/T5782 M10×50-Zn.D 2
    6 washer GB/T93 10-Zn.D 24
    7 bolt GB22 M10×80-8.8-Zn.D 1
    8 bolt GB21 M10×30-8.8-Zn.D 11
    9 housing covef for timing YTR4105T55.080006 1
    10 gear YTR4105T55.080003 1
    11 Gear chamber cover gasket R080008 1
    12 strainer R080015 1
    13 filler cap YTR4105T55S.080001 1
    14 housing for timing gear R080011 1
    15 Compressor gasket YTR.080002 1
    16 Timing gear chamber gasket GB/T93 16-Zn.D 2
    17 washer GB/T5782 M16×90-8.8-Zn.D 2
    18 bolt R.020023 2
    19 Locating pin,front body GB22 M10×70-8.8-Zn.D 9
    20 bolt LR080150 1
    21 oil seal 65×90×12 Inspection cap gasket R080005 1
    22 Fuel injection pump timing inspection cap 6RZQ55.080004 1
    23 bolt GB/T5783 M8×20-Zn.D 5
    24 bolt GB22 M10×90-Zn.D 1
    25 supportⅠ YTR4105T2.910008 1

     

    009 Engine 09 Flywheel housing assy

     

     

    序号 No. 零件名称 零件代号 DrawingNo.  数量 Qty.
    1 bell housing YTR4105T55.090001 1
    2 washer GB/T93 14-Zn.D 8
    3 Bolt GB/T5783 M14×40-8.8-Zn.D 7
    4 Bolt GB/T5783 M14×45-8.8-Zn.D 1
    5 Bolt GB21 M10×30-8.8-Zn.D 7
    6 washer GB/T93 10-Zn.D 7
    7 Bolt GB/T5786 M18×1.5×20-8.8 1
    8 Bolt GB/T5783 M6×12-Zn.D 2
    9 washer GB/T93 6-Zn.D 2
    10 access panel over 4RT17.100002-51 1
    11 Washer ,access panel over YT4A2-T55.090005 1
    12 screw GB/T67 M4×10-Zn.D 2
    13 indicator 4RG1.090004 1
    14 Bolt GB/T5782 M16×90-8.8-Zn.D 2
    15 washer GB/T93 16-Zn.D 2
    16 Bolt GB/T5783 M8×12-8.8-Zn.D 1
    17 washer GB/T95 8-Zn.D 1
    18 Bolt GB52 M16-Zn.D 2
    19 Crankshaft rear oil seal LR.090100 1
    20 O- seal ring LR.090008 1

     

    010 Engine 11 Cylinder head hood assy

     

     

    序号 No. 零件名称 零件代号 DrawingNo.  数量 Qty.
    1 cylinder head cover 4RT62.110000A-JZ 1
    1.1 The valve cover mat 4R.110001-A 1