Forest River RV Berkshire XL Motor Home Class A - Diesel

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The Berkshire XL Class A diesel motorhome by Forest River is luxury at its finest! From the open floor space in each unit to the beautiful hardwood cabinets, gorgeous decor choices, and elegant furnishings, you will be wowed from the minute you step inside each of these coaches. 

Each Berkshire XL motorhome is constructed with a Freightliner XCR raised rail chassis, a Cummins ISL turbo diesel engine, and a 100 gallon locking dual-fill fuel tank. Each model also offers either three or four slides, and with everything the Forest River Berkshire XL has to offer, you will only need to add your family, food, and luggage for an exceptional getaway experience.


Today is the day to start out on a new adventure in a luxury Berkshire XL Class A diesel motorhome by Forest River! Choose yours today!

  • Berkshire XL 37A

    Berkshire XL 37A Floorplan Image

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    Forest River Berkshire XL Class A diesel motorhome 37A highlights: Exterior ... more about Berkshire XL 37A


    Sleeps 5
    Slides 4
    Length 38 ft 8 in
    Ext Width 8 ft 4 in
    Ext Height 12 ft 5 in
    Int Height 7 ft
    Interior Color Rustic Iron, Silver Bay, White Diamond Pebble
    Exterior Color Glacial, Suede, Rubicon, Umbra, Velvet
    Hitch Weight 10000 lbs
    Gross Weight 38320 lbs
    Fresh Water Capacity 103 gals
    Grey Water Capacity 66 gals
    Black Water Capacity 42 gals
    Tire Size 22.5
    Furnace BTU 40000 btu
    Generator 8kW Onan
    Fuel Type Diesel
    Engine Cummins ISL Turbo
    Chassis Freightliner XCR Raised Rail
    Horsepower 380 hp
    Fuel Capacity 100 gals
    Wheelbase 238 in
    Available Beds King
    Torque 1150 ft-lb
    Refrigerator Type Residential French Door
    Refrigerator Size 23 cu ft
    Convection Cooking Yes
    Cooktop Burners 2
    Shower Size 42" x 36"
    Number of Awnings 2
    Axle Weight Front 14320 lbs
    Axle Weight Rear 24000 lbs
    Water Heater Type Truma Continuous
    AC BTU 15000 btu
    TV Info LR 40" LED TV, BR 32" LED TV, Cab 32" LED TV, Exterior 40" TV
    Awning Info 17' 3" Carefree Latitude with LED Lights & Wind Sensor
    Washer/Dryer Available Yes
    Gross Combined Weight 48320 lbs
    Shower Type Standard
    Electrical Service 50 amp

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Berkshire XL Features:

Standard Features (2019)



  • Freightliner XCR Raised Rail Chassis
  • Cummins ISL turbo diesel , 380 HP @2000RPM, 2200GOV RPM 1150 LB/FT @1400 RPM
  • Allison 3000MH 6-speed transmission
  • 120V Engine Heater 1000W
  • 22.5" Polished Aluminum Wheels
  • Michelin X line energy Z 275/80R22.5 tires
  • Trailer Hitch, 10,000 # Capacity
  • Allison electriconic push button shifter
  • 100 gallon, locking dual fill fuel tank
  • Driver side Fill, 13 Gallon DEF Tank
  • LCD engine message center
  • Day time running lights
  • 7-Pin tow power connector
  • 18.7 CFM air compressor
  • Farr Eco-air cleaner
  • Air filter restriction indicator
  • Fuel/water separator
  • Brake line Air Dryer w/Heater
  • Automatic, heated moisture ejectors
  • Power steering
  • Washer/heavy duty-wiper w/ intermittent function
  • 160 amp alternator
  • Two (2) 1900 CCA maint. free chassis batteries
  • Full air ABS brakes w/ auto slack adjuster
  • Variable exhaust brake
  • Telescopic/tilt steering wheel
  • Suspension Neway front and V- Ride rear
  • Sachs custom tuned shock absorbers
  • 55 degree wheel cut
  • Auto air suspension deflation system
  • Cross flow, rear mounted radiator
  • Transmission oil cooler
  • 5 year / 100,000 mile coolant (some maintenance required)
  • V.I.P. Smart Wheel, 4-Spoke 18" premium burlwood steering wheel
  • Electronic cruise control w/ high idle

Construction & Exterior

  • Fiberglass front and rear caps
  • Full body painted exterior (4x clear coat)
  • Four (4) point fully auto hydraulic leveling system w/ auto air dump
  • Steel basement structure
  • Tru-Brace chassis support system
  • Rust resistant aluminized steel chassis skirts
  • Diamond shield front mask protective film
  • 1 Piece Fiberglass Roof
  • Top-mount remote exterior/heated/mirrors/with cameras
  • Frameless dual pane, dark tint windows
  • Automotive foam and Ziebart seal undercoating
  • Carefree power door awning
  • Carefree Latitude patio awning w/led lighting & Wind Sensor
  • Carefree s/o topper w/covers
  • Full height strut assisted compartment doors w/full pass through storage
  • One Key" system, ext-compartment, entry door & fuel fill doors
  • Quiet integrated A/C intake/ducting roof system
  • Crowned and layered vacuum bonded fiberglass roof
  • Vacuum bonded 3" floor w/tubular aluminum frame
  • Gel coat vacuum bonded sidewalls, s/o floors & walls
  • Block foam polystyrene insulation in walls roof and floors
  • 30" Entryway
  • Channeled drains for A/Cs
  • Tubular steel firewall w/polystyrene insulation
  • Lighted exterior assist handle
  • Two piece rear ladder
  • 84" interior ceiling height
  • PTL steel Entrance door with deadbolt
  • Auxiliary air chuck (front driverside compartment)
  • Auxiliary LP supply, quick connect (passenger side)
  • LED Marker Lights
  • Full length mud flap w/ chrome Forest Rivername
  • Slide tray in basement compartment


  • 50A service w/auto transfer switch & 30' power cord
  • 8kW 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
  • Dimmer control lighting throughout
  • LED ceiling,porch & patio lights
  • Decorative bath, dinette &wall lights w/applicable
  • Individual reading lights bed overhead
  • 2000w pure sine inverter/converter
  • Auto generator start control
  • Four (4) Six volt deep cycle house batteries
  • Chassis & House batteries master shut off switches
  • Easy read 12v circuit house load center
  • Solar panel controller w/roof prep
  • Automotive chassis fuse panel (front driverside compt)
  • Ceiling fan in bedroom
  • Kitchen accent lighting


  • 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
  • One piece fiberglass shower w/ glass door & skylight
  • Whole house water filter
  • Black water tank flush system
  • Kitchen single lever faucet w/ pull-out sprayer
  • Porcelain china bowl toilet w/foot flush (N/A 37A)
  • Tecma macerator toilet (N/A 40BH)
  • Clean-easy exterior shower hose
  • Convenience monitor panel at water bay
  • 360 Roof vent caps

Driver/Passenger Cockpit

  • One piece windshield
  • Power front day/night shades
  • Passenger & driver window day/night shades
  • Black pearl burl dash panels
  • Fog Lights
  • 10" Dash radio w/ color back-up ,side view cameras and Navigation
  • Sirius/XM satellite roof mounted antennae
  • Flexsteel soft touch wide driver seat swivel,recline & 6-Way pwr adj.
  • Flexsteel soft touch wide pass/seat swivel, recline & power foot rest
  • Driver/Passenger side console w/cupholders
  • Lighted step well
  • Two (2) Defroster fans w/ high and low settings
  • Multiple USB charging ports
  • Automotive dash AC/heater w/ deluxe controls
  • Premium Freightliner gauge package w/chrome bezels
  • Multiple auxiliary charging ports at dash
  • Power flushfloor stepwell cover
  • Entry assist handles
  • Driver & Passenger LED ceiling map lights
  • Emergency/aux engine start switch at dash


  • 49" LED TV, living room (40D Only)
  • 40" LED TV, living room (N/A 40D)
  • 32" LED TV, bedroom
  • 32" LED TV, front dash overhead
  • 22" LED TV, (2)each bunk w/ easy access HDMI jack (N/A 37A, 40D)
  • JBL Soundbar w/integrated sub & bluetooth
  • Roof mount Winegard Trav'ler satellite prep
  • Park/cable prep
  • High Definition Cat6 matrix signal distribution
  • Hi-Definition digital TV antennae
  • Blu-ray DVD Player
  • Ext/entertainment center in sidewall w/40" TV & Radio w/blue tooth


  • Polished porcelain tile throughout
  • Semi gloss hardwood w/glazing- cabinetry, interior doors & slideout fascia (Glazing N/A with executive dark cherry option)
  • Hardwood w/glazing raised panel cabinet doors throughout
  • Hidden hinges and décor style cabinet hardware
  • Living room ceilling crown Trim
  • Carpeted slide-outs w/applicable
  • Window valances
  • Villa soft touch fab booth/sofa ensemble w/hide a bed & storage (40BH Only)
  • Villa Dream booth soft touch fab dinette w/hide a bed sofa (40C Only)
  • Soft Touch booth & Villa hide a bed sofa w/recliner (37A Only)
  • Villa soft touch sofa w/hide-a-bed (40D Only)
  • Villa soft touch fab love seat (N/A 37A, 40C)
  • Polished solid surface kit/bath countertops & backsplash w/tile inserts
  • Full extension ball bearing metal drawer guides
  • Galley storage compartment for sink covers
  • Kitchen Pantry (N/A 40BH)
  • Bi-fold doors, bunk beds (N/A 37A, 40D)
  • “Soft Touch” padded ceiling
  • Roller style day/night shades
  • Dresser drawers and wardrobe bedroom cabinetry
  • 72"x 80" Serta king bed w/bedspread and decorative pillows (N/A 40BH)
  • 60"x 80" Serta queen bed w/bedspread and decorative pillows (N/A 37A, 40D)
  • Contoured overhead cabinets in slide rooms
  • Bed night stands , 1 w/dual USB jack & overhead cabinetry
  • Mirrored vanity overhead cabinetr doors
  • Towel bar, toilet Paper holder & towel ring
  • Fitted cockpit floormat w/"Berkshire" logo
  • LP gas, carbon monoxide & smoke detectors
  • Fire extinguisher


  • 15,000 btu w/heat pump(Front & Rear)
  • Holding tank heat pads
  • Truma continous flow hot water
  • (2) Dual zoned 20,000 BTU furnaces
  • 30" OTR convection microwave oven
  • 23 cf french door residential refrigerator w/ice maker
  • Electric induction glass cook top
  • Power fan in bathroom w/rain cover
  • Maxxair in galley w/wireless remote control w/rain cover
  • Washer/dryer prep
  • Electric fireplace
  • Central vacuum system


  • Electric Easy-Bed lift, cockpit Area
  • Free standing dinette w/4 chairs (40D Only)
  • Free standing dinette w/4 chairs & "hide-A-bed" sofa ilo ensemble (40BH Only)
  • Booth dinette with "hide-A-bed" sofa ilo ensemble (40BH Only)
  • Free standing dinette w/4 chairs & "theater seating" ilo ensemble (40BH Only)
  • Booth dinette with "theater seating" ilo ensemble (40BH Only)
  • Theater seating (N/A 40BH)
  • Electronic safe
  • Ceramic wood plank tile throughout
  • Trav'ler (Winegard) satellite antennae- Direct TV (US)
  • Trav'ler (Winegard) satellite antennae- Shaw (Canada)
  • Stackable washer/dryer
  • 10,000kW generator with a 3rd 13,500 btu A/C (N/A 37A)
  • Stainless steel dishwasher

See us for a complete list of features and available options.

All features and specifications are subject to change. 


In 1996, Forest River founder Peter Liegl had a vision. He foresaw an RV company dedicated to helping people experience the joy of the outdoors by building better recreational vehicles. Today, we have grown to become one of the largest RV manufacturers in North America, producing class A and C motorhomes, travel trailers, fifth wheels, toy haulers, camping trailers and destination trailers. From the new family just starting out in the world of RVing to the experienced full-timer, we offer something for everyone.


Forest River RV is a division of Forest River, Inc., a Berkshire Hathaway company, which produces recreational vehicles, pontoons, park models, buses, cargo trailers and commercial trucks. The diversity of Forest River, Inc., enables us to approach the RV industry with a unique perspective, incorporating lessons learned at each one of our divisions. Operating with openness across a wide range of products is what makes us stand apart from the competition. At Forest River, Inc., quality and dependability are a necessity in everything we make.