Explore 2025 Cummins ISL 450HP Engine 45E Floorplan

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The Berkshire XLT 45E floorplan has one entry and five slide outs. Exterior features include: 16'6" & 56" Door Awning awning and outside entertainment. Interiors features include: bunk beds, free-standing dinette option, rear bathroom, two full bathrooms, bathroom and a half and bunk over cab.

The Berkshire XLT 45E is a five-slide bunkhouse model. The large full rear bath includes a shower, vanity, cabinets, and stacking washer/dryer. Within the bathroom is a slideout bunk room/wardrobe combo. Each bunk is 30" x 73" and has its own TV. The main bedroom has a slideout, 72" x 80" Tilt-a-View king bed, plus a dresser, wardrobe cabinet, 43" TV, and overhead cupboards. Moving toward the living area is a half bath with vanity sink, medicine cabinet, and commode. The kitchen is fully equipped with a convection microwave, induction cooktop, and residential-style refrigerator. Just over the cockpit, you'll find a unique drop-down bed that provides an additional sleeping surface.

Wheelbase: 294"
GVWR: 47,000 lb.
GCWR: 62,000 lb.
GAWR Front: 17,000 lb.
GAWR Rear: 30,000 lb.
Fuel Capacity: 150 gal.
LP Tank Capacity: TBD
Exterior Length: 44' 11"
Exterior Height: 12' 9"
Exterior Width: 100"
Fresh Water: 103 gal.
Gray Water: 66 gal.
Black Water: 42 gal.
Awning Size: 16'6" & 56" Door Awning

GVWR (Gross Vehicle Weight Rating): – is the maximum permissible weight of the unit when fully loaded. It includes all weights, inclusive of all fluids, cargo, optional equipment and accessories. For safety and product performance do NOT exceed the GVWR.

GCWR (Gross Combined Weight Rating) - Is the maximum permissible loaded weight of your motor home and any towed trailer or towed vehicle. Actual GCWR of this vehicle may be limited by the sum of the GVWR and the installed hitch receiver maximum capacity rating; see hitch rating label for detail.

GAWR (Gross Axle Weight Rating) - is the maximum permissible weight, including cargo, fluids, optional equipment and accessories that can be safely supported by each axle.

UVW (Unloaded Vehicle Weight)* - is the typical weight of the unit as manufactured at the factory. It includes all weight at the unit’s axle(s), including full fuel, all fl uids and LP Gas. The UVW does not include cargo, fresh potable water, additional optional equipment or dealer installed accessories.
*Estimated Average based on standard build optional equipment.

CCC (Cargo Carrying Capacity)** - is the amount of weight available for fresh potable water, cargo, passengers, additional optional equipment and accessories. CCC is equal to GVWR minus UVW. Available CCC should accommodate fresh potable water (8.3 lbs per gallon). Before fi lling the fresh water tank, empty the black and gray tanks to provide for more cargo capacity.
**Estimated Average based on standard build optional equipment.

Each Forest River RV is weighed at the manufacturing facility prior to shipping. A label identifying the unloaded vehicle weight of the actual unit and the cargo carrying capacity is applied to every Forest River RV prior to leaving our facilities.

The load capacity of your unit is designated by weight, not by volume, so you cannot necessarily use all available space when loading your unit.

Actual towing capacity is dependent upon your particular loading and towing circumstances, which includes the GVWR, GAWR and GCWR as well as adequate trailer brakes. Please refer to the Operator's Manual of your vehicle for further towing information.

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45E Floorplan Cummins ISL 450HP Engine Features & Options

- Freightliner XCR raised rail chassis w/5 year (100k mile warranty)
- Exclusive chassis maintenance center & advanced wire/hose routing
- Cummins ISL 450HP, 2100RPM, 2200GOV RPM, 1250 LB/FT @ 1400RPM
- Allison 3000MH 6-speed transmission w/cooler
- 120V Engine heater 1000W
- 22.5" Polished aluminum Wheels
- Michelin 315/80R22.5 front, 295/80R22.5 rear/tag Tires
- Trailer hitch, 15,000 lb. capacity w/brake sync
- 150 gallon, locking dual fill fuel tank
- 15 gal DEF tank, dual fills
- Day time running lights
- 7-Pin tow power connector
- Brake line Air Dryer w/Heater
- Heavy duty-windshield wipers w/intermittent function
- Full air ABS brakes w/auto slack adjuster
- Two maint. free 1900 CCA chassis batteries
- Cummins 3 stage compression brake
- V-Ride Rear Suspension
- Ultrasteer Tag Axle
- Independent front suspension, IFS
- Sachs custom tuned shock absorbers
- Auto air suspension deflation system
- Side radiator cooling package
- Electronic cruise control w/high idle
- Traction Control
- Electronic Stability controls
- RoadWatch safety system
- Tire pressure monitoring system (TPMS)
- Front disc brakes, rear drum
- ZF tilt/telescopic steering column
- Leather wrapped smart steering wheel
- Automatic headlamps
- Fiberglass front and rear caps
- Full body exterior paint
- Four (4) point fully auto hydraulic leveling system w/auto air dump
- Steel basement structure
- Tru-Brace Anti Camber chassis support system
- Rust resistant aluminized steel chassis skirts
- Diamond shield front protective film
- 1 Piece molded fiberglass roof
- Chrome remote mirrors w/heat, turn signal & sideview cameras
- Frameless dual pane, dark tint windows
- Frameless Driver Seat Power window
- Automotive foam and Chassis undercoating
- Carefree power door awning
- Carefree Latitude dual pitch patio awning w/lights & Wind Sensor
- Carefree s/o toppers w/covers
- Full height strut assisted compt doors w/full pass through storage, powered lock w/Chrome door handles
- One Key" system, ext-compartment, entry door & fuel fill doors
- Quiet integrated A/C intake/ducting roof system
- Vacuum bonded roof, sidewalls & floors
- Aluminum tube frame - roof, sidewalls & floors
- Azdel composite sidewall fiberglass
- Fiberglass on bottom of slide out floors
- Block foam polystyrene insulation in walls, roof and floors
- 30" Entryway
- Channeled rooftop A/C drains
- Tube steel firewall w/polystyrene insulation
- Lighted exterior assist handle
- 84" interior ceiling height
- PTL steel entrance door with deadbolt
- Auxiliary air chuck (front driver side compartment)
- Auto LED Headlights & Marker Lights
- Full length chrome mud flap w/Berkshirelogo
- Slide tray in basement compartment
- All Electric
- 50A service w/auto transfer switch & 34' electric power cord reel
- EZ power cord entry
- 10kW Onan diesel generator w/manual slide tray
- Energy management system
- Electronic house power disconnect switch
- Generator start/stop switch (On dash/bedroom)
- Multi-plex w/Precision plex app control
- Majority of lights dimmer controlled
- LED lighting package
- Decorative bath & wall lights w/applicable
- Individual reading lights in overhead above bed
- 2800kW pure sine inverter/converter
- Auto generator start control
- (6) Six volt deep cycle house batteries
- House Battery Distribution Center (HBC)
- Chassis & house battery master shut off switches
- Automotive style 12v house/Chassis load centers
- Ceiling fan in bedroom
- Kitchen & living room accent lighting
- 200w Solar Panel w/mppt ctrlr. & prep w/ports for 3 additional
- Variable speed 4GPM water pump
- Individual zoned hot/cold manifold water supply system
- 4-way water management valve in water bay compartment
- Bath - solid surface under mount sink
- Kitchen - Stainless steel under mount sink
- Solid Surface shower walls, glass door, teakwood seat & a skylight
- Whole house water filter
- Black tank Sani-flush system
- Kitchen single lever faucet w/ pull-out sprayer
- Porcelain china bowl toilet w/foot flush
- Exterior wet bay sprayer
- Convenient monitor panel in water bay door
- Accu-sense tank monitoring
- 360 Roof vent caps
- Macerator toilet (rear bath)
- One piece windshield
- Powered windshield day/night shades
- Manual passenger/driver window day/night shades
- 3D Carbon fiber dash panels
- Optiview glass instrument panel
- Steering wheel - w/radio audio, wipers, engine brake, cruise, adjustable pedals & transmission mode control
- Auxiliary Fog lights
- 10" Dash radio w/ color back-up and side view camera pkg w/Navigation
- Villa soft touch X-wide driver seat, integrated seatbelts, swivel, recline seat w/6-Way pwr adj.
- Villa soft touch X-wide pass seat integrated seatbelts, swivel, recline, 6-way & power foot rest
- Driver/Passenger side consoles w/cupholders
- Passenger seat workstation
- Driver console wireless cellphone charger
- Lighted step well
- Two (2) Defroster fans w/ high and low settings
- Automotive dash AC/heater w/deluxe controls
- Multiple auxiliary/USB & 12V charging ports at dash
- Power flush floor stepwell cover
- Multiple entry assist handles
- Driver & Passenger LED overhead map lights
- Emergency/aux engine start switch at dash
- Fitted Cockpit floormat w/"Berkshire" logo
- Fitted entryway step carpet mats
- Keyless entry w/power baggage door locks

- 50" LED TV, living room (N/A 45A)
- 40" LED TV, exterior TV w/Bluetooth JBL radio & Speakers
- 43" LED TV, bedroom
- 32" LED TV in cockpit overhead
- (2)22" LED TV's, 1 for each bunk w/HDMI
- JBL Dash speakers with tuned amplifier
- Starlink Roof Prep
- Sirius/XM satellite dash Radio
- JBL Soundbar w/Bluetooth and Subwoofer
- Roof mount satellite prep
- Park/cable prep
- Auto Wi-Fi extended range antennae & router
- High Definition Cat6 matrix signal distribution
- Hi-Definition digital TV antennae
- Polished porcelain tile throughout
- Semi gloss hardwood cabinetry , interior doors & slide out fascia
- Hardwood raised panel cabinet doors
- Front bed lift in cockpit
- Hidden hinges and bar pull style cabinet hardware
- Living room ceiling crown Trim
- Decorative window valances w/hardwood legs
- Ultrafab Dream booth dinette w/ storage underneath
- Villa Ultrafab love seat (N/A 45A)
- Villa Ultrafab hide-a-bed sofa w/USB Ports
- Polished solid surface kit/bath c-tops & backsplash w/tile inserts
- Full extension ball bearing metal drawer guides throughout
- Galley storage compartment for sink covers
- Kitchen Pantry
- Pull out kitchen Drawer Base (45E Only)
- “Soft Touch” padded ceiling
- Roller style day/night shades
- Dresser drawers and wardrobe bedroom cabinetry
- 72"x 80" Motorized Tilt Serta king bed w/bedspread & decorative pillows
- Contoured overhead cabinets in slide rooms w/soft close hinges
- Bed night stands, w/dual USB jack & overhead cabinetry
- Mirrored vanity overhead cabinet doors
- Towel bar, toilet Paper holder & towel ring
- Living/Bedroom room ceiling feature
- Electronic safe
- LP gas, carbon monoxide & smoke detectors
- Fire extinguisher
- (3)Low pro 15,000 btu A/C's (Front & Rear-w/heat pump)
- Heated holding tank compartment
- Oasis hydronic heat w/continuous flow hot water
- Electric heated tile floors
- 30" OTR convection microwave oven
- 23 cf french door residential refrigerator w/ice maker
- Electric induction glass cook top
- Power fan in bathrooms w/rain cover
- Maxxair in galley w/wireless remote control w/rain cover
- Stackable washer & dryer
- 2 Electric fireplaces (1)livrm & (1)bedrm
- Central vacuum system w/kick sweep
- Stainless steel dishwasher
- Basement freezer with pull out tray
- Powered theater seating ilo of hide-a-bed sofa
- Free standing dinette w/hutch and 4 chairs (N/A 45CA)
- Starlink
- AGM ilo of Flooded house batteries
- Satellite antennae- Dish Network (US) w/2 "Wally" receivers installed
- Satellite antennae- Shaw (Canada)
- 600 Amp Hour Lithium house battery
- 800w Solar package (+3 additional 200w panels)