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4-8-8-4 Class 4000 'Big Boy' UP

Athearn N 4-8-8-4 Class 4000 'Big Boy' UP (2008)

Model overview

4014 near Chapin, Iowa in July 2019. ©Tyler Silvest
4-8-8-4 Class 4000 'Big Boy' UP

Scale: N Gauge
Manufacturer: Athearn - Manufacturer Profile
First Introduced: 2008
DCC Capability: DCC fitted, with sound

Detailing

Bodyshell - factory-fitted separate details

Bell
Boiler supports
Chimney
Coal rails
Company branding
Drain cocks
Handrails
Headlamp
Injector
Injector pipework
Numberplates - plastic - pre-fitted
Pipe work
Reverser
Safety valve
Smoke deflectors
Tail lamp
Tender ladder
Walking platforms
Whistle

Bufferbeam detail (pre-fitted)

Lifeguard

Cab, footplate & interior detail

Detailed & painted
Glazing

Chassis/underframe detail

Air tank
Correct-thickness "stamped" rods
Fluted connecting rods with oily finish
Footsteps
Handbrake wheel/ lever
Inside valve gear (cosmetic)
No visible gap between front-bogie & frames
Pipework
Sprung front bogie

Tender

Houses digital decoder
Houses PCB
Permanently coupled to locomotive

Wheel "aesthetics"

Chemically-blackened
Metal-pin point bearings
Painted

Mechanical

Body Construction

Plastic with metal parts

Chassis construction

Heavy diecast

Coupling socket/mounting

Non-NEM socket

Coupling type

Knuckle Coupling

Loco-driven wheels (number of)

16 wheels

Minimum radius

Radius 3

Separating the body from the chassis

Secured with one or more screws

Weighting (to assist adhesion)

Within chassis

Electrical

DCC Capability:

DCC fitted, with sound

DCC speaker

Pre-fitted

Motor location

Locomotive

Motor type

5-pole with two flywheels

Pickups

Driving wheels and tender wheels

Power collection

2 rail DC

Working lights

Directional headlights (no tail lights)
Headlights (independent)
Tail lights (independent)

Liveries manufactured

Union Pacific 1862 - Present Day

View 3 Products Livery/operator factfile

Products from this Tooling

Show: check In stock: 0 checkOn order: 0 checkOut of stock: 4

Athearn 11823

Big Boy 4-8-8-4 4006 of the Union Pacific - digital sound fitted

View

Athearn 11827

Big Boy 4-8-8-4 4020 of the Union Pacific - digital sound fitted

View

Athearn 22900

Big Boy 4-8-8-4 4005 of the Union Pacific - digital sound fitted

View

Athearn 22902

Big Boy 4-8-8-4 4014 of the Union Pacific - digital sound fitted

View

Other N Gauge 4-8-8-4 Class 4000 'Big Boy' UP models

2022 Broadway Limited Imports release

Broadway Limited Imports N Gauge 4-8-8-4 Class 4000 'Big Boy' UP

DCC fitted, with sound

View 10 products

2023 Kato release

Kato N Gauge 4-8-8-4 Class 4000 'Big Boy' UP

DCC compatible. PCB swap required

View 1 product

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Products awaiting categorisation

Scale	Brand	Construction Type	DCC Capability	Product Code	Product Title	Livery
N Gauge	Athearn	RTR/RTUse/Pre-assembled	Not set	11820 View	Big Boy 4-8-8-4 of the Union Pacific - digital sound fitted	Awaiting Categorisation
N Gauge	Athearn	RTR/RTUse/Pre-assembled	Not set	11821 View	Big Boy 4-8-8-4 of the Union Pacific - digital sound fitted	Awaiting Categorisation
N Gauge	Athearn	RTR/RTUse/Pre-assembled	Not set	11824 View	Big Boy 4-8-8-4 4019 of the Union Pacific - digital sound fitted	Awaiting Categorisation
N Gauge	Athearn	RTR/RTUse/Pre-assembled	Not set	11825 View	Big Boy 4-8-8-4 4024 of the Union Pacific - digital sound fitted	Awaiting Categorisation
N Gauge	Athearn	RTR/RTUse/Pre-assembled	Not set	11826 View	Big Boy 4-8-8-4 4009 of the Union Pacific - digital sound fitted	Awaiting Categorisation
N Gauge	Athearn	Not set	DCC fitted, with sound	11828 View	Big Boy 4-8-8-4 4001 of the Union Pacific - digital sound fitted
N Gauge	Athearn	RTR/RTUse/Pre-assembled	Not set	22901 View	Big Boy 4-8-8-4 4012 of the Union Pacific - digital sound fitted	Awaiting Categorisation
N Gauge	Athearn	RTR/RTUse/Pre-assembled	Not set	22903 View	Big Boy 4-8-8-4 4019 of the Union Pacific - digital sound fitted	Awaiting Categorisation
N Gauge	Athearn	RTR/RTUse/Pre-assembled	Not set	22904 View	Big Boy 4-8-8-4 4023 of the Union Pacific - digital sound fitted	Awaiting Categorisation
N Gauge	Athearn	RTR/RTUse/Pre-assembled	Not set	22906 View	Big Boy 4-8-8-4 4007 of the Union Pacific - digital sound fitted	Awaiting Categorisation
N Gauge	Athearn	RTR/RTUse/Pre-assembled	Not set	22907 View	Big Boy 4-8-8-4 4013 of the Union Pacific - digital sound fitted	Awaiting Categorisation
N Gauge	Athearn	RTR/RTUse/Pre-assembled	Not set	22908 View	Big Boy 4-8-8-4 4014 of the Union Pacific - digital sound fitted	Awaiting Categorisation
N Gauge	Athearn	RTR/RTUse/Pre-assembled	Not set	22909 View	Big Boy 4-8-8-4 4022 of the Union Pacific - digital sound fitted	Awaiting Categorisation
N Gauge	Athearn	RTR/RTUse/Pre-assembled	Not set	22992 View	Big Boy 4-8-8-4 4014 of the Union Pacific	Awaiting Categorisation
N Gauge	Athearn	RTR/RTUse/Pre-assembled	Not set	22998 View	Big Boy 4-8-8-4 4014 of the Union Pacific	Awaiting Categorisation
N Gauge	Athearn	RTR/RTUse/Pre-assembled	Not set	30100 View	Big Boy 4-8-8-4 4004 of the Union Pacific	Awaiting Categorisation
N Gauge	Athearn	RTR/RTUse/Pre-assembled	Not set	30101 View	Big Boy 4-8-8-4 4005 of the Union Pacific	Awaiting Categorisation
N Gauge	Athearn	RTR/RTUse/Pre-assembled	Not set	30102 View	Big Boy 4-8-8-4 4006 of the Union Pacific	Awaiting Categorisation
N Gauge	Athearn	RTR/RTUse/Pre-assembled	Not set	30103 View	Big Boy 4-8-8-4 4012 of the Union Pacific	Awaiting Categorisation
N Gauge	Athearn	RTR/RTUse/Pre-assembled	Not set	30104 View	Big Boy 4-8-8-4 4017 of the Union Pacific	Awaiting Categorisation
N Gauge	Athearn	RTR/RTUse/Pre-assembled	Not set	30105 View	Big Boy 4-8-8-4 4018 of the Union Pacific	Awaiting Categorisation
N Gauge	Athearn	RTR/RTUse/Pre-assembled	Not set	30106 View	Big Boy 4-8-8-4 4014 of the Union Pacific	Awaiting Categorisation
N Gauge	Athearn	RTR/RTUse/Pre-assembled	Not set	30107 View	Big Boy 4-8-8-4 4023 of the Union Pacific	Awaiting Categorisation
N Gauge	Athearn	RTR/RTUse/Pre-assembled	Not set	30108 View	Big Boy 4-8-8-4 4002 of the Union Pacific	Awaiting Categorisation
N Gauge	Athearn	RTR/RTUse/Pre-assembled	Not set	30109 View	Big Boy 4-8-8-4 4011 of the Union Pacific	Awaiting Categorisation
N Gauge	Athearn	RTR/RTUse/Pre-assembled	Not set	30200 View	Big Boy 4-8-8-4 4004 of the Union Pacific - digital sound fitted	Awaiting Categorisation
N Gauge	Athearn	RTR/RTUse/Pre-assembled	Not set	30201 View	Big Boy 4-8-8-4 4005 of the Union Pacific - digital sound fitted	Awaiting Categorisation
N Gauge	Athearn	RTR/RTUse/Pre-assembled	Not set	30202 View	Big Boy 4-8-8-4 4006 of the Union Pacific - digital sound fitted	Awaiting Categorisation
N Gauge	Athearn	RTR/RTUse/Pre-assembled	Not set	30203 View	Big Boy 4-8-8-4 4012 of the Union Pacific - digital sound fitted	Awaiting Categorisation
N Gauge	Athearn	RTR/RTUse/Pre-assembled	Not set	30204 View	Big Boy 4-8-8-4 4017 of the Union Pacific - digital sound fitted	Awaiting Categorisation
N Gauge	Athearn	RTR/RTUse/Pre-assembled	Not set	30205 View	Big Boy 4-8-8-4 4018 of the Union Pacific - digital sound fitted	Awaiting Categorisation
N Gauge	Athearn	RTR/RTUse/Pre-assembled	Not set	30206 View	Big Boy 4-8-8-4 4014 of the Union Pacific - digital sound fitted	Awaiting Categorisation
N Gauge	Athearn	RTR/RTUse/Pre-assembled	Not set	30207 View	Big Boy 4-8-8-4 4023 of the Union Pacific - digital sound fitted	Awaiting Categorisation
N Gauge	Athearn	RTR/RTUse/Pre-assembled	Not set	30208 View	Big Boy 4-8-8-4 4002 of the Union Pacific - digital sound fitted	Awaiting Categorisation
N Gauge	Athearn	RTR/RTUse/Pre-assembled	Not set	30209 View	Big Boy 4-8-8-4 4014 of the Union Pacific - digital sound fitted	Awaiting Categorisation
N Gauge	Athearn	RTR/RTUse/Pre-assembled	Not set	4014 View	Big Boy 4-8-8-4 4014 of the Union Pacific - digital sound fitted	Awaiting Categorisation
N Gauge	Athearn	RTR/RTUse/Pre-assembled	Not set	40140 View	Big Boy 4-8-8-4 4014 of the Union Pacific	Awaiting Categorisation