1 机体总成及附件 Body assembly and accessory-- Xinchai Diesel Engine 4D30G31 Parts Catalogue

序号 Item 代号 Part No. 名称 Description 数量 Qty 备注 remark

1 495B-01005B 气缸套 Cylinder liner 4

2 GB/T119.1-16 h8x20 销 16 h8x20 Pin 16 h8x20 2

3 495B-01004 气缸盖衬垫 Cylinder head gasket 1

4 495B-01001A 机体 Engine block 1

5 490B-01075-1 油压报警器 Oil pressure gauge sensor 1

6 490B-01029 螺塞 R1/8 Plug screw R1/8 3

7 490B-01080 碗型塞片 15 Bowl-shaped plug 15 2

8 495B-01050 碗型塞片 60 Bowl-shaped plug 60 1

9 495B-01008A 后凸轮轴衬套 Rear camshaft bush 1

10 490B-01009 碗型塞片 58 Bowl-shaped plug 58 1

11 490B-01025 后油封座垫片 Rear oil seal gasket 1

12 490B-01024A 后油封座 Rear oil seal 1

13 490B-01036 后油封 Rear oil seal 1

14 GB/T97.1-8 垫圈 8 Washer 8 7

15 GB93-8 垫圈 8 Washer 8 7

16 GB/T5783-M8x30 螺栓 M8x30 Bolt M8x30 5

17 GB/T119.1-8 h8x20 销 8 h8x20 Pin 8 h8x20 3

18 495B-01026A 曲轴止推片（上） Upper crankshaft thrust plate 2

19 495B-01022A 曲轴止推片（下） Lower crankshaft thrust plate 2

20 490B-01027 中间堵塞 Middle blocking 1

21 495B-01023A 后主轴承盖 Rear main bearing cover 1

22 495B-01034A 主轴瓦上瓦 Upper main bearing shell 5

23 495B-01033A 主轴瓦下瓦 Lower main bearing shell 5

24 495B-01032A 主轴承盖 Main bearing cover 4

25 490B-01019A 主轴承螺栓 Main bearing bolt 10

26 495B-01007A 凸轮轴衬套 Camshaft bush 2

27 490B-01012 进水管垫片 Water inlet pipe gasket 1

28 490B-01011 进水管 Water inlet pipe 1

29 GB/T5783-M8x25 螺栓 M8x25 Bolt M8x25 2

30 495BPG-15100-13 发动机前支脚（右） Right engine bracket 1

31 GB/T97.1-10 垫圈 10 Washer 10 8

32 GB93-10 垫圈 10 Washer 10 8

33 GB/T5783-M10x25 螺栓 M10x25 Bolt M10x25 8

34 495BPG-15200-13 发动机前支脚（左） Left engine bracket 1

35 495B-01047 碗型塞片 50 Bowl-shaped plug 50 1

36 485-01100 放水阀部件 Drain valve unit 1

2 气缸盖及配气机构 Cylinder head and gas exchanging system assembly-- Xinchai Diesel Engine 4D30G31 Parts Catalogue

序号 Item 代号 Part No. 名称 Description 数量 Qty 备注 remark

1 GB/T9074.17-M8x18 螺栓 M8x18 Bolt M8x18 2

2 490B-02008 凸轮轴止推板 Thrust plate for camshaft 1

3 4D27G31-03110 堵套 Block set 4

4 GB/T1096-C8x7x22 普通平键 Key 1

5 490B-06002 气门挺柱 Push tappet 8

6 495B-06003 气门推杆 Push rod 8

7 490B-01002A 气缸盖螺栓（甲） Bolt 14

8 A490BZL-03102A 气门导管 Valve guide 8

9 A490BZL-03016 气门导管油封 Oil seal 8

10 A498B-03001 气门摇臂轴支座螺柱 Stud 4

11 GB/T97.1-10 垫圈 10 Washer 10 8

12 GB 93-10 垫圈 10 washer 10 8

13 GB/T6170-M10 螺母 M10 Nut M10 4

14 A490B-03016A 喷油器压板 Pressure plate 4

15 A490B-03019 喷油器紧固螺栓 Bolt 4

16 490B-01003A 气缸盖螺栓（乙） Bolt 4

17 A490B-03109 喷油器铜套 Sleeve tube 4

18 490B-03200 气门摇臂轴部件 Valve rocker arm part 1

19 GB/T5782-M10x65 螺栓 M10x65 Bolt M10x65 4

20 490B-03006 气门锁夹 Split valve retainer 16

21 490B-03007 气门弹簧上座 Valve spring seat,upper 8

22 490B-03005 气门内弹簧 Valve spring,inner 8

23 490B-03004 气门外弹簧 Valve spring,outer 8

24 490B-03011 气门弹簧下座 Lower seat,valve spring 8

25 495B-03015 排气门 Exhaust valve 4

26 495B-03014 进气门 Intake valve 4

27 495B-06001-2 凸轮轴 Camshaft 1

28 4D27G31-03111 堵塞 Block 1

29 GB/T9074.17-M8x22 螺栓 M8x22 Bolt M8x22 5

30 490B-03012 后端盖 Rear cover 1

31 490B-03013A 后端盖衬垫 Gasket 1

32 490B-01078 碗形塞片 30 Pulg 30 4

33 4905-03107 进气门座 Intake valve seat 4

34 495B-03108 排气门座 Exhaust valve seat 4

35 A495B-03101 气缸盖 Cylinder head 1

36 490B-03017 碗形堵塞 20 Pulg 20 7

37 490B-03009-2 吊耳 Hoisting bracket 2

38 GB/T9074.17-M8x20 螺栓 M8x20 Bolt M8x20 4

3 正时齿轮传动总成 Timing gear train assembly-- Xinchai Diesel Engine 4D30G31 Parts Catalogue

序号 Item 代号 Part No. 名称 Description 数量 Qty 备注 remark

1 GB/T5783-M8x30 螺栓 M8x30 Bolt M8x30 10

2 GB93-8 垫圈 8 Washer 8 39

3 GB/T97.1-8 垫圈 8 Washer 8 36

4 490BPG-16001 正时齿轮室盖 Timing gear housing cover 1

5 490B-16035 前油封 Front oil seal 1

6 490B-16012 正时指针 Timing pointer 1

7 QC/T385-M20x1.5 螺塞 M20x1.5 Plug screw M20x1.5 1

8 JB982-20 垫圈 20 Washer 20 1

9 GB/T5782-M8x80 螺栓 M8x80 Bolt M8x80 2

10 GB/T5783-M8x20 螺栓 M8x20 Bolt M8x20 4

11 490BPG-82014 调整螺钉 Adjustment screw 1

12 GB/T6171-M8x1 螺母 M8x1 Nut M8x1 1

13 490BPG-82008 液压泵轴承盖 Hydraulic pump bearing cover 1

14 490BPG-82009 轴承盖垫片 Bearing cover gasket 1

15 490BPG-16002 正时齿轮室盖垫片 Timing gear housing cover gasket 1

16 GB/T5783-M8x16 螺栓 M8x16 Bolt M8x16 1

17 490B-02012-1 惰齿轮轴压板 Idler gear shaft plate 1

18 GB/T5782-M8x60 螺栓 M8x60 Bolt M8x60 2

19 490BPG-02100 喷油管焊接部件 Fuel injection pipe welding unit 1

20 GB/T5782-M8x40 螺栓 M8x40 Bolt M8x40 1

21 490BPG-82003 厚垫圈 Thick washer 1

22 GB/T5782-M8x70 螺栓 M8x70 Bolt M8x70 8

23 GB/T119.2-8x20-B 销 8x20-B Pin 8x20-B 2

24 GB/T5782-M12x45 螺栓 M12x45 Bolt M12x45 1

25 GB859-12 垫圈 12 Washer 12 1

26 490B-02011 凸轮轴正时齿轮压板 Camshaft timing gear plate 1

27 490BPG-02009 凸轮轴正时齿轮 Camshaft timing gear 1

28 490BPG-02006 正时惰齿轮 Timing idler gear 1

29 GB/T5782-M8x50 螺栓 M8x50 Bolt M8x50 3

30 490BPG-82006 过桥齿轮轴承挡板 Bridge gear bearing baffle 1

31 490BPG-82001 压板 Plate 1

32 GB/T297-30207 滚动轴承 30207 Rolling bearing 30207 2

33 490BPG-02003 喷油泵正时齿轮 Fuel injection pump timing gear 1

34 490BPG-82007 液压泵齿轮 Hydraulic pump gear 1

35 GB/T276-6009 滚动轴承 6009 Rolling bearing 6009 2

36 GB893.1-75 挡圈 75 Circlip 75 1

37 490BPG-82005 过桥齿轮轴 Bridge gear shaft 1

38 490BPG-82004 过桥齿轮 Bridge gear 1

39 490B-02005 正时惰齿轮衬套 Timing idle gear bush 1

40 490B-02004 正时惰齿轮轴 Timing idle gear shaft 1

41 490BPG-02007 曲轴正时齿轮 Crankshaft timing gear 1

42 GB/T5783-M8x25 螺栓 M8x25 Bolt M8x25 8

43 490BPG-16003 正时齿轮室 Timing gear housing 1

44 GB/T5782-M8x40 螺栓 M8x40 Bolt M8x40 1

45 490BPG-16009 正时齿轮室垫片 Timing gear housing gasket 1

46 490BPG-82010 联接板垫片 Spacer plate gasket 1

47 490BPG-82011 联接板 Spacer plate 1

48 490BPG-82012 液压泵垫片 Hydraulic pump gasket 1

49 490BPG-82013A 端盖 End cover 1

50 GB93-10 垫圈 10 Washer 10 2

51 GB/T5784-M10x45 螺栓 M10x45 Bolt M10x45 2

Fuel injection pump connecting
52 490B-16008 喷油泵联接法兰垫片 1
flange gasket
Fuel injection pump connecting
53 A498B-16004-2 喷油泵联接法兰 1
flange

54 GB898-GM8x25 螺柱 GM8x25 Stud GM8x25 3

55 GB/T6170-M8 螺母 M8 Nut M8 3

4 油底壳总成 Oil sump assembly-- Xinchai Diesel Engine 4D30G31 Parts Catalogue

序号 Item 代号 Part No. 名称 Description 数量 Qty 备注 remark

1 490B-07200 机油标尺部件 Oil dipstick unit 1

2 490B-07002A 油底壳垫片 Oil pan gasket 1

3 490B-07100 油底壳焊接部件 Oil pan welding unit 1

4 Q180081635 油底壳螺栓 Oil pan bolt 25

5 JB982-20 垫圈 20 Washer 20 1

6 QC/T385-M20x1.5 螺塞 M20x1.5 Plug screw M20x1.5 1

5 活塞连杆总成 Piston and connecting rod assembly-- Xinchai Diesel Engine 4D30G31 Parts Catalogue

序号 Item 代号 Part No. 名称 Description 数量 Qty 备注 remark

1 495B-04002-1 第一道气环 Top compression ring 4

2 495B-04003-1 第二道气环 Second compression ring 4

3 495B-04100-1 油环 Oil ring 4

4 GB893.1-32 挡圈 32 Circlip 32 8

5 495B-04001-1A 活塞 Piston 4

6 495B-04004A 活塞销 Piston pin 4

7 495B-04201A 连杆体 Connecting rod 4

8 495B-04205B 连杆衬套 Connecting rod bush 4

9 495B-04005-1A 连杆轴瓦 Connecting rod bearing 8

10 495B-04202A 连杆盖 Connecting rod cap 4

11 495B-04203B 连杆螺栓 Connecting rod bolt 8

 6 曲轴总成 Cranksheaft assembly-- Xinchai Diesel Engine 4D30G31 Parts Catalogue

序号 Item 代号 Part No. 名称 Description 数量 Qty 备注 remark

1 GB/T1096-C12×8×63 普通型平键 Key C12×8×63 1

2 495B-05004A 曲轴 Cranksheaft 1

3 GB/T119.1-10-h8×24 圆柱销 Pin 10×24 1

7 飞轮总成 Flywheel assembly-- Xinchai Diesel Engine 4D30G31 Parts Catalogue

序号 Item 代号 Part No. 名称 Description 数量 Qty 备注 remark

1 490B-05002 飞轮螺栓 Flywheel bolt 6

2 490B-05001-1 飞轮螺栓保险片 Washer for Flywheel bolt 3

3 GB/T276-6302-2Z 滚动轴承 6302-2Z Rolling bearing 6302-2Z 1

4 490B-13006-1 轴承垫圈 Bearing retainer 1

5 490B-05101-21 飞轮 Flywheel 1

6 490B-05102 飞轮齿圈 Flywheel ring gear 1

8 进排气总成 Intake,exhaust assembly-- Xinchai Diesel Engine 4D30G31 Parts Catalogue

序号 Item 代号 Part No. 名称 Description 数量 Qty 备注 remark

1 490B-09001 进气管衬垫 Intake pipe gasket 4

2 490B-01079 碗形塞片 40 Bowl Cypriot films 40 1

3 GB9074.17-M8x30 螺栓 M8x30 Bolt M8x30 8

4 490B-09002-5 进气管 Intake pipe 1

5 490B-09004 进气接管衬垫 Intake connecting pipe gasket 2

6 490B-54000 空气加热器 Air heater 1

7 490B-09003-7 进气接管 Intake connecting pipe 1

8 GB97.1-8 垫圈 8 Washer 8 12

9 GB93-8 垫圈 8 Washer 8 12

10 GB/T5782-M8x50 螺栓 M8x50 Bolt M8x50 4

11 GB/T6173-M10x1 螺母 M10x1 Nut M10x1 2

12 GB/T6171-M10x1 螺母 M10x1 Nut M10x1 2

13 GB93-10 垫圈 10 Washer 10 2

14 GB898-AM10x1x30 双头螺柱 AM10x1x30 Stud AM10x1x30 2

15 490B-08002-3 排气总管衬垫 Exhaust manifold gasket 1

16 490B-08001-3 排气管 Exhaust pipe 1

17 GB/T6170-M8 螺母 M8 Nut M8 8

18 GB898-GM8x28 双头螺柱 GM8x28 Stud GM8x28 8

19 490B-03003 排气管衬垫 Exhaust pipe gasket 4

9 气缸盖罩总成及铭牌总成 Cylinder head cover and name plate assembly-- Xinchai Diesel Engine 4D30G31 Parts Catalogue

序号 Item 代号 Part No. 名称 Description 数量 Qty 备注 remark

1 A498B-11003 橡胶隔离套 Rubber isolation bushing 4

2 A498B-11004 垫圈 Washer 4

3 GB/T923-M8 盖形螺母 M8 Nut M8 4

4 490B-11200B 加油口盖总成 Cap assembly 1

5 GB/T827-2×5 铭牌铆钉 2×5 Rivet 2×5 4

6 A4D27-11005 铭牌 Nameplate 1

7 A498B-11001-2 气缸盖罩 Cylinder head cover 1

8 A498B-11002 气缸盖罩橡胶垫 Rubber pad 1

10 飞轮壳总成 flywheel housing-- Xinchai Diesel Engine 4D30G31 Parts Catalogue

序号 Item 代号 Part No. 名称 Description 数量 Qty 备注 remark

1 GB/T5782-M12x35 螺栓 M12x35 Bolt M12x35 4

2 GB93-12 垫圈 12 Washer 12 6

3 GB/T120.1-10x26 销 10x26 Pin 10x26 2

4 GB/T5782-M12x45 螺栓 M12x45 Bolt M12x45 2

5 490B-13001A 飞轮壳 Flywheel housing 1

6 490B-13003 观察孔盖板 Observation hole cover 1

7 GB93-6 垫圈 6 Washer 6 2

8 GB/T67-M6x12 螺钉 M6x12 Screw M6x12 2

9 490B-13004 飞轮壳垫片 Flywheel housing gasket 1

10 GB/T119.2-10x24-B 销 10x24-B Pin 10x24-B 2