BOM Value / Loco
50 tracked parts · 16 components
Fleet Parts Capital
Across 12 ES44AC units
Annual Parts Maint.
Labour derived @ 18% of parts
Company Buffer
Warranty reserve across all parts
Add PartLocomotive → System → Assembly → Component → Part
Indented Bill of Materials — ES44AC
HierarchyQtyExt. CostLife
Maintenance
Interval
40,000hrs
Quantity
1ea
Price
$42,000
Cost / event
$50k
Labour @ 18% of parts$7,560
Extended (qty × unit price)$42,000
Warranty & Risk
Warranty (Years)
3yr
Warranty (Km)
720kkm
Failure probability17%
Company buffer$7,140
$42,000 × 17% — expected warranty reserve
Customer Cost
$99k
Company Cost
$7k
Over 20 years · 2 maintenance events
Procurement · Unit Exchange
Reman $27,000New $42,000
Reman = 64% of new · core credit $6,000/unit
Lead Time
16w
Replace Ivl
9y
Labor / Job
30h
Depreciation — Units of Production
Useful Life
8y
Salvage
$7k
Annual Dep.
$4k
Inventory Position
On-hand vs thresholdsHealthy
SS 1ROP 1Max 2
On Hand
2
Reorder Pt
1
Turns/yr
0.7
ABC / VED
AV
Annual carrying cost$21,000/yr
Annualized maintenance$2,650/yr
Part-Level TCO (20yr)
Customer $2.60MCompany $190kBuffer $171k| Part | Maintenance Cost | Warranty | Failure Prob. | Company Buffer | Customer Cost | Company Cost |
|---|---|---|---|---|---|---|
| ◆Traction Motor (5GEB13 / 752)216 months · ×6 ea | $389k1× | 3yr / 720k km | 12% | $40k | $389k | $40k |
| ◆Power Assembly (complete)40,000 hrs · ×16 ea | $359k2× | 3yr / 720k km | 18% | $27k | $359k | $27k |
| ◆Armature (DC rewind)120 months · ×6 ea | $312k2× | 3yr / 720k km | 16% | $21k | $312k | $21k |
| ◆Composition Shoe (AAR M-926)25,000 km · ×12 ea | $130k192× | 0.5yr / 120k km | 45% | $259 | $128k | $3k |
| ◆Wheel / Tire (36in)1,000,000 km · ×6 ea | $127k4× | 3yr / 720k km | 23% | $6k | $127k | $6k |
| ◆Cylinder Head96 months · ×16 ea | $121k2× | 3yr / 720k km | 18% | $9k | $121k | $9k |
| ◆Turbocharger (GEVO)40,000 hrs · ×1 ea | $99k2× | 3yr / 720k km | 17% | $7k | $99k | $7k |
| ◆Injector (complete, GEVO EFI)30,000 hrs · ×16 ea | $96k3× | 3yr / 720k km | 21% | $6k | $96k | $6k |
| ◆APU (idle-reduction unit)120 months · ×1 ea | $94k2× | 2yr / 480k km | 10% | $4k | $94k | $4k |
| ◆Piston (articulated)40,000 hrs · ×16 ea | $91k2× | 3yr / 720k km | 18% | $7k | $91k | $7k |
| ◆Carbon Brush Set (DC)18 months · ×6 set | $78k13× | 1.5yr / 360k km | 25% | $1k | $72k | $7k |
| ◆Stator Winding (rewind)216 months · ×1 ea | $77k1× | 3yr / 720k km | 12% | $8k | $77k | $8k |
| ◆Cylinder Liner (w/ guides)40,000 hrs · ×16 ea | $72k2× | 3yr / 720k km | 18% | $5k | $72k | $5k |
| ◆Rotor / Field216 months · ×1 ea | $65k1× | 3yr / 720k km | 12% | $7k | $65k | $7k |
| ◆Disc Rotor12,000 hrs · ×4 ea | $59k9× | 3yr / 720k km | 21% | $1k | $53k | $8k |