This document contains parts lists and diagrams for components of an excavator undercarriage system. It includes sections on the lower frame, steps, crawler belts for both steel and rubber options, carrier rollers, and track rollers for steel crawler belts. The parts lists include part numbers, descriptions, quantities, and other technical specifications for each component.

1. TB290 [P-TB290H-CD] Book No. BM2Z001-1 S/N 190200001-
Index
Reference 0 ﾍﾟｰｼﾞ 0

2. TB290 [P-TB290H-CD] Book No. BM2Z001-1 S/N 190200001-
LOWER FRAME
Reference M1A010 ﾍﾟｰｼﾞ 1-1
M1A010 S=1/16
1
14
3
11
8
13
4
10
7
11
8
6
14
3
10
7
2
13
15
12
9
5

3. LOWER FRAME
Reference:M1A010 Page:1-1
Item Part number Description Q'ty Chan. Serial No. Serv. Remarks
FRAME ASSY, lower
1 X ********** FRAME 1
2 0561036010 COVER 1
3 0561027020 COVER 2
4 0561017400 COVER 2
5 0561019400 COVER 2
6 1508710010 PLUG 1
7 1100040816 BOLT 8
8 1100041020 BOLT 6
9 1100041225 BOLT 4
10 1140020008 WASHER, spring 8
11 1140020010 WASHER, spring 6
12 1140020012 WASHER, spring 4
13 1141110008 WASHER 8
14 1141110010 WASHER 6
15 1141110012 WASHER 4
M1a013

4. TB290 [P-TB290H-CD] Book No. BM2Z001-1 S/N 190200001-
STEP (for steel crawler)
Reference M1A020 ﾍﾟｰｼﾞ 1-2
M1A020 S=1/16
1
2
3
4
1
4
2
3

5. STEP (for steel crawler)
Reference:M1A020 Page:1-2
Item Part number Description Q'ty Chan. Serial No. Serv. Remarks
STEP ASSY (550mm shoe)
1 0561037510 STEP 2
2 1100041230 BOLT 8
3 1130040012 NUT 8
4 1140020012 WASHER, spring 8
M3a010

6. TB290 [P-TB290H-CD] Book No. BM2Z001-1 S/N 190200001-
CRAWLER BELT (steel)
Reference M1A050 ﾍﾟｰｼﾞ 1-3
1-4
1-2
1-1-6
1-3
1-1-2
1-1-1
1-1-9
1-1-7
1-1-9
1-1-8
1-1-10
1-1-11
1-1-5
1-1-11
1-1-3
1-1-4

7. CRAWLER BELT (steel)
Reference:M1A050 Page:1-3
Item Part number Description Q'ty Chan. Serial No. Serv. Remarks
BELT ASSY, steel crawler (450mm shoe)
BELT ASSY, steel crawler (550mm shoe)
1 1914308000 BELT, steel crawler (450mm shoe) 2
1914308100 BELT, steel crawler (550mm shoe) 2
1-1 1914308098 LINK ASSY 2
1-1-1 1914308001 LINK (R.H.) 38
1-1-2 1914308002 LINK (L.H.) 38
1-1-3 1914308003 LINK, master (R.H.) 1
1-1-4 1914308004 LINK, master (L.H.) 1
1-1-5 1914308007 BUSHING 38
1-1-6 1914308005 PIN, track 38
1-1-7 1914308008 BUSHING 1
1-1-8 1914308006 PIN, master 1
1-1-9 1914308009 COLLAR 2
1-1-10 1914308011 PIN, split 1
1-1-11 1914308010 SEAL 76
1-2 1914308012 BOLT 156
1-3 1914308013 NUT 156
1-4 1914308014 PLATE 39 450mm shoe
1914308114 PLATE 39 550mm shoe
M3a021

8. TB290 [P-TB290H-CD] Book No. BM2Z001-1 S/N 190200001-
CRAWLER BELT (rubber)
Reference M1A060 ﾍﾟｰｼﾞ 1-4
M1A060 S=FREE
1

9. CRAWLER BELT (rubber)
Reference:M1A060 Page:1-4
Item Part number Description Q'ty Chan. Serial No. Serv. Remarks
BELT ASSY, rubber crawler
1 1914086020 BELT, rubber crawler 2
M3a030

10. TB290 [P-TB290H-CD] Book No. BM2Z001-1 S/N 190200001-
CARRIER ROLLER
Reference M3A040 ﾍﾟｰｼﾞ 1-5
M3A040 S=1/4
2
3
1-5
1-7
1-4
1-9
1-8
1-1
1-2
1-5
1-6
1-3

11. CARRIER ROLLER
Reference:M3A040 Page:1-5
Item Part number Description Q'ty Chan. Serial No. Serv. Remarks
ROLLER ASSY, carrier
1 0561205600 ROLLER SUB ASSY 2
1-1 0561205601 ROLLER 1
1-2 0561205602 SHAFT 1
1-3 0561205603 PLATE 1
1-4 0561205604 COVER 1
1-5 1300006207 BEARING 2
1-6 0561205606 SEAL, oil 1
1-7 1420000620 O-RING 1
1-8 1221000072 RING, snap 1
1-9 0561205609 PLUG 1
2 1101041675 BOLT 2
3 1130540016 NUT 2
M3a040

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13. TB290 [P-TB290H-CD] Book No. BM2Z001-1 S/N 190200001-
TRACK ROLLER
Reference M1A090 ﾍﾟｰｼﾞ 1-6
M1A090 S=1/6
1-1
1-5
1-6
1-2
1-9
1-8
1-7
1-4
1-7
1-5
1-6
1-3
1-8
3
2
3
2

14. TRACK ROLLER
Reference:M1A090 Page:1-6
Item Part number Description Q'ty Chan. Serial No. Serv. Remarks
ROLLER ASSY, track
1 0561311100 ROLLER SUB ASSY, track 10
1-1 0561311110 ROLLER 1
1-2 0561311130 COVER 1
1-3 0561311140 COVER 1
1-4 0561311120 SHAFT 1
1-5 0561311150 BUSHING 2
1-6 0561311160 SEAL, floating 2
1-7 0561311170 O-RING 2
1-8 0561311180 PIN, spring 2
1-9 1501820001 PLUG 1
2 1101041455 BOLT 40
3 1141550014 WASHER 40
M1a091

15. TB290 [P-TB290H-CD] Book No. BM2Z001-1 S/N 190200001-
TRACK ROLLER (for steel crawler)
Reference M1A210 ﾍﾟｰｼﾞ 1-7
M1A210 S=1/6
1-1
1-5
1-6
1-2
4
1-9
1-8
1-7
1-4
1-7
1-5
1-6
1-3
1-8
3
4
2
3
2