BOMwiki the bill-of-materials encyclopedia

Hearse Product

Overview

A hearse, or funeral coach, is a purpose-built vehicle for carrying a casket between funeral home, place of service, and cemetery. Nearly all modern hearses are coachbuilt: the OEM supplies a long-wheelbase "commercial chassis" — frame, powertrain, and front sheet metal, with no rear body — and a specialist builder (Federal Coach, S&S, Eagle, Binz, Pilato) constructs the rear superstructure and casket-handling equipment. The result is certified under multi-stage manufacturer rules at a curb weight around 2,800 kg.

The vehicle's functional core is unglamorous materials handling: a 90 to 250 kg casket must be loaded by two to six pallbearers at waist height, restrained against every braking and cornering load, and presented with ceremony. Everything aft of the front seats serves that requirement.

Chassis and body

The Commercial Chassis pairs a 3.6 L V6 Engine with an automatic Automatic Transmission recalibrated for the roughly 600 kg the coachwork adds. The Stretched Frame is lengthened about 750 mm aft of the B-pillar, and the Heavy-Duty Rear Suspension gets stiffer Coil Spring rates, revalved Rear Damper units, a Load Leveling Valve that holds deck height constant loaded or empty, and a Rear Stabilizer Bar countering the raised body's higher roll center. Processions run at walking pace to 40 km/h for long periods, so the powertrain calibration favors smooth creep over response.

The Coachbuilt Rear Body is a welded steel Body Framing skeleton defining a squared, raised roof line and a wide rear aperture, skinned in Sheet Metal Panel steel and hand-finished Rear Quarter Panel stampings that blend into the donor front clip. B-Pillar Extension pillars carry the raised roof loads into the original shell, and an Body Insulation Pack quiets the compartment. Fixed Compartment Side Window glass, usually curtained, runs along each side.

Above it sits the Landau Roof: a Roof Panel raised about 100 mm for casket clearance over transverse Roof Bow stiffeners, covered in a padded Padded Vinyl Top. The polished S-shaped Landau Bar on each quarter is purely ornamental — a vestige of the folding-top irons on 19th-century horse-drawn funeral carriages, retained because the trade and the public read it as the mark of a funeral coach.

Casket deck

The Casket Deck is the working heart of the vehicle. Its key element is the Extending Deck Table, a slide-mounted platform that extends roughly 700 mm past the rear bumper on telescoping Table Slide Rail rails running on Ball Bearing sets, so pallbearers can set the casket down at about 700 mm height without leaning into the body. A Table Travel Stop limits travel and a pair of Deck Lock latches secure the table stowed; the Table Top itself is a stainless-edged hardwood or composite surface sized for full-couch caskets up to 2.1 m.

Once on the table, the casket rolls forward over flush nylon Deck Roller inserts, guided by Skid Rail strips that center it in the compartment. Spring-loaded chrome Bier Pin posts then rise from the deck ahead of and behind the casket, blocking fore-aft movement; this simple positive restraint has been standard since the 1930s because it works with any casket footprint and needs no straps. A removable Deck Rubber Mat protects the deck finish between services.

Loading and presentation

The Rear Access System system frames the loading ritual. The Rear Door — side-hinged on most North American coaches, top-hinged on many European ones — swings past 90 degrees on forged Door Hinge Set hinges, held open by Gas Strut springs so no attendant has to mind it. A reinforced Bumper Step Plate gives footing, and door-switched Loading Light lamps illuminate the deck at night committals.

Inside, the Compartment Interior Trim does the presentational work: a pleated Compartment Headliner, upholstered Wall Panel Set panels with rub rails at deck height, formal Curtain Set drapes, removable Flower Tray racks for arrangements, and soft white LED Lighting Rail strips that wash the casket evenly for viewing through the glass.

Driver compartment and electrics

The Driver Compartment seats two or three on standard Seat Assembly units behind a glazed Cab Partition Panel; the Dashboard adds switches for compartment lighting and a table-lock indicator fed by Hall Sensor position switches. The Coach Electrical System keeps all coach circuits on a separate Coach Fuse Panel, switching through Relay banks, and includes the Procession Marker Lamp procession markers that several US states recognize as granting funeral corteges right-of-way through intersections.

Service life

Hearses cover low annual mileage — often under 10,000 km — but in short, fully loaded, ceremonial cycles, and fleets keep them ten years or more. Resale stays unusually strong because the coachwork outlasts the chassis: it is common for builders to remount a sound rear body on a new commercial chassis rather than scrap it.

Build & assembly graph

expand / collapse · shared sub-assemblies converge · links to related products · est. labour
product / assembly shared across products atomic part related product

Tap an assembly to expand/collapse · tap a part to open it · use “Open page” for any node · drag to pan, scroll to zoom.

Bill of materials

8 top-level lines · 83 rows shown · 184 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Commercial Chassis 7 parts hearse-commercial-chassis 1 69 assembly
1.1 V6 Engine 4 parts hearse-v6-engine 1 12 assembly
1.1.1 Engine Block hearse-engine-block 1 part
1.1.2 Piston Assembly hearse-piston 6 part
1.1.3 Camshaft hearse-camshaft 4 part
1.1.4 Fastener Set fastener-set 1 part
1.2 Automatic Transmission 5 parts hearse-transmission 1 12 assembly
1.2.1 Gearbox Housing gearbox-housing 1 part
1.2.2 Torque Converter hearse-torque-converter 1 part
1.2.3 Helical Gear Pair gear-pair 4 part
1.2.4 Ball Bearing ball-bearing 4 part
1.2.5 Oil Seal oil-seal 2 part
1.3 Stretched Frame hearse-frame 1 part
1.4 Heavy-Duty Rear Suspension 4 parts hearse-rear-suspension 1 6 assembly
1.4.1 Coil Spring coil-spring 2 part
1.4.2 Rear Damper hearse-damper 2 part
1.4.3 Load Leveling Valve hearse-leveling-valve 1 part
1.4.4 Rear Stabilizer Bar hearse-stabilizer-bar 1 part
1.5 Wheel Assembly 5 parts wheel-assembly 4 9 assembly
1.5.1 Alloy Wheel alloy-wheel 4 part
1.5.2 Tire tire 4 part
1.5.3 TPMS Sensor tpms-sensor 4 part
1.5.4 Lug Nut lug-nut 20 part
1.5.5 Valve Stem valve-stem 4 part
1.6 Radiator radiator 1 part
1.7 12 V Battery lv-battery 1 part
2 Coachbuilt Rear Body 7 parts hearse-rear-body 1 18 assembly
2.1 Body Framing hearse-body-frame 1 part
2.2 Sheet Metal Panel sheet-panel 8 part
2.3 Rear Quarter Panel hearse-quarter-panel 2 part
2.4 Compartment Side Window hearse-side-window 2 part
2.5 B-Pillar Extension hearse-b-pillar-extension 2 part
2.6 Body Insulation Pack hearse-insulation-pack 1 part
2.7 Fastener Set fastener-set 2 part
3 Casket Deck 6 parts hearse-casket-deck 1 34 assembly
3.1 Extending Deck Table 4 parts hearse-deck-table 1 13 assembly
3.1.1 Table Top hearse-table-top 1 part
3.1.2 Table Slide Rail hearse-table-slide 2 part
3.1.3 Ball Bearing ball-bearing 8 part
3.1.4 Table Travel Stop hearse-table-stop 2 part
3.2 Deck Roller hearse-deck-roller 12× 12 part
3.3 Bier Pin hearse-bier-pin 4 part
3.4 Skid Rail hearse-skid-rail 2 part
3.5 Deck Lock hearse-deck-lock 2 part
3.6 Deck Rubber Mat hearse-rubber-mat 1 part
4 Landau Roof 5 parts hearse-landau-roof 1 10 assembly
4.1 Roof Panel hearse-roof-panel 1 part
4.2 Padded Vinyl Top hearse-vinyl-top 1 part
4.3 Landau Bar hearse-landau-bar 2 part
4.4 Roof Bow hearse-roof-bow 4 part
4.5 Drip Molding hearse-drip-molding 2 part
5 Rear Access System 6 parts hearse-rear-access 1 8 assembly
5.1 Rear Door hearse-rear-door 1 part
5.2 Door Hinge Set hearse-door-hinge-set 1 part
5.3 Gas Strut hearse-gas-strut 2 part
5.4 Rear Door Latch hearse-door-latch 1 part
5.5 Bumper Step Plate hearse-bumper-step 1 part
5.6 Loading Light hearse-load-light 2 part
6 Compartment Interior Trim 6 parts hearse-interior-trim 1 8 assembly
6.1 Compartment Headliner hearse-headliner 1 part
6.2 Wall Panel Set hearse-wall-panel-set 1 part
6.3 Curtain Set hearse-curtain-set 1 part
6.4 Flower Tray hearse-flower-tray 2 part
6.5 LED Lighting Rail hearse-led-rail 2 part
6.6 Fastener Set fastener-set 1 part
7 Driver Compartment 5 parts hearse-driver-compartment 1 18 assembly
7.1 Seat Assembly 5 parts seat-assembly 2 7 assembly
7.1.1 Seat Frame seat-frame 2 part
7.1.2 Seat Foam seat-foam 4 part
7.1.3 Seat Cover seat-cover 2 part
7.1.4 Seat Motor seat-motor 4 part
7.1.5 Seat Heater Mat seat-heater 2 part
7.2 Dashboard hearse-dashboard 1 part
7.3 Cab Partition Panel hearse-partition-panel 1 part
7.4 LCD Panel lcd-panel 1 part
7.5 Cab HVAC Unit hearse-hvac-unit 1 part
8 Coach Electrical System 6 parts hearse-electrical-system 1 19 assembly
8.1 Wire Bundle wire-bundle 2 part
8.2 Relay relay 4 part
8.3 Coach Fuse Panel hearse-fuse-panel 1 part
8.4 Procession Marker Lamp hearse-purple-lamp 2 part
8.5 Hall Sensor hall-sensor 2 part
8.6 Connector connector 8 part

Sourcing — likely vendors

Companies that make this · indicative price $8k–$90k · MOQ & lead are typical
VendorHQSpecialtyMOQLead time
🇯🇵Toyota
global.toyota ↗
Toyota City, JP Automaker made to order 16–28 wks
volkswagen-group.com ↗ Wolfsburg, DE Automaker made to order 16–28 wks
gm.com ↗ Detroit, US Automaker made to order 16–28 wks
hyundai.com ↗ Seoul, KR Automaker made to order 16–28 wks
🇨🇳BYD
byd.com ↗
Shenzhen, CN EV & battery manufacturer made to order 16–28 wks

831-word article