Cat 6040 Hydraulic Excavator Parts Manual (BI636630) (SN 170107)

Out on a mine site or big quarry, this 6040 isn’t doing light work—it’s loading trucks nonstop, chewing through rock, dust, mud, and heat. This parts manual helps you trace exactly how Cat breaks that whole machine down into groups, assemblies, and tiny sub-components, so when something fails you can isolate what’s wrong and order the right bits the first time. Say you’re knee-deep in the swing gearbox, snap ring on the bench, and three similar ones in the catalog; this book lets you follow the breakdown and verify which ring, spacer, and bearing set actually match your serial number.

Applications & Use Cases

• Track down the right hose or fitting in a hydraulic circuit by tracing the line from pump to cylinder, then matching the fittings and seals.
• Isolate which boom pin kit you need by checking the exploded view instead of guessing from a parts shelf.
• Verify you’re ordering the correct seal kit for a specific valve or cylinder, not a “close enough” match.
• Inspect wear parts on the undercarriage and use the manual to align what you see with the correct shoe, roller, or idler part number.
• Route replacement wiring or hoses correctly by following the assembly diagrams, so you don’t cross lines or trap them under guards.

FAQ

Q: Is this a scanned book or a proper searchable file?

A: It’s typically a PDF; most of the time you can search by term or part number, but older scans may be a bit clunky.

Q: Can I print just the sections I need for the field?

A: Yeah, you can usually print individual pages or groups, then stick them in a binder so you’re not dragging the whole manual to the shovel.

Safety Note

Always lock out and bleed off hydraulic pressure before you start pulling lines or components you’ve identified from the parts manual.

Cat 6040 Hydraulic Excavator Index:

Item Description Qty Page
0 PARTS ORDERING & PRODUCT SUPPORT 0-3
1 AIR CONDITIONING SYSTEM 01-00
2 ANTI SKID 02
3 BATTERY & STARTER MOTOR LOCKOUT SYSTEM 03
4 CAB VACUUM CLEANING SYSTEM 04
5 CAMERA SYSTEM 05
6 CASCADE ROOM STORAGE – RELOCATE TOOLBOX 06
7 DOOR SEALS & FRAME (NEW DOOR) 07
8 DRAIN LINE ON GREASE TANK (V96 INSTALLATION) 08
9 FIRE RESISTANT SLEEVING FOR TURBO COVERS 09
10 FIRE SUPPRESSION SYSTEM 10
11 FIRST-AID KIT IN CAB 11
12 FUEL SHUT OFF TAP 12
13 FUEL TANK FILL SENSOR COVER 13
14 GREASE TANK EXTRA BOLTS 14
15 H LINK PLATE AND GREASE SYSTEM 15
16 HORN: AIR HORN (GR ELECTRICAL) 16
17 HYDRA-FLO REFUELLING 17
18 LADDER – OFFSIDE EMERGENCY LADDER 18
19 LIGHTS: GENERAL ARRANGEMENT OF ADDITIONAL WORK LIGHTS 19
20 LIGHTS: ROTATING BEACONS 20
21 LIVE SAMPLE BOX 21
22 MINESTAR MOUNTING TOWER 22
23 PRESSURISERS IN CASCADE ROOM 23
24 PRESSURISER ON ELECTRICAL CABINET (X15) 24
25 SEAT COVERS – CANVAS 25
26 SERVICE LEG: ISOLATOR & HOUR METER 26
27 SERVICE LEG: FITTINGS 27
28 SIGNAGE: LABELS 28
29 SLEW GEARBOX DRAINS 29
30 SPIRAL HOSE PROTECTION 30
31 STEEL LEVEL RADIATOR CAPS 31
32 TRAINER SEAT IN CAB 32
33 TRAVEL MOTOR RELIEF VALVES 33
34 TURBO COVERS (EXHAUST LAGGING) 34
35 WASH DOWN HOSE REEL 35
36 APPENDIX: ELECTRICAL SCHEMATIC and more

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