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    1. Home
    2. Fifth wheel trailers
    3. Forest River
    4. Sierra
    Forest River Sierra 378FB exterior

    Forest River Sierra 378FB

    Browse inventory (3)
    Forest River Sierra 378FB floor plan
    Forest River Sierra 378FB floor plan

    Key facts

    Length
    41 ft 3 in
    Max weight
    15,500 lbs
    Sleeps
    6

    Find a Forest River Sierra 378FB

    See it in person or find a great deal nationwide.
    Browse inventory (3)

    Similar floor plans

    Other fifth wheel trailers floor plans (around 41 ft 3 in), similar in size and price to the Sierra 378FB.

    Alliance RV Avenue 28BH exterior

    Alliance RV Avenue 28BH

    Bunk beds, booth dinette, farmhouse sink, rear window

    MSRP$74,601

    4 units available

    Alliance RV Avenue 28BH floor plan
    Max weight

    10,495 lbs

    Length

    32 ft 11 in

    Sleeps

    6

    Alliance RV Avenue All-Access Series 28BH exterior

    Alliance RV Avenue All-Access Series 28BH

    Front bedroom, bunk beds

    MSRP$70,175
    Alliance RV Avenue All-Access Series 28BH floor plan
    Max weight

    10,495 lbs

    Length

    32 ft 11 in

    Sleeps

    8

    Alliance RV Avenue All-Access Series 29RL exterior

    Alliance RV Avenue All-Access Series 29RL

    Front bedroom, rear living area

    MSRP$69,460

    3 units available

    Alliance RV Avenue All-Access Series 29RL floor plan
    Max weight

    11,895 lbs

    Length

    32 ft 11 in

    Sleeps

    4

    Brinkley Model Z 2900 exterior

    Brinkley Model Z 2900

    Rear living, large kitchen, walk-thru bath

    MSRP$118,385

    200 units available

    Brinkley Model Z 2900 floor plan

    RV Envy's expert take

    We like: Unique bathroom layout, Large end tables, Televator provides more kitchen counter space, Ample storage

    Consider: Awkward toilet location

    Max weight

    14,995 lbs

    Length

    32 ft 11 in

    Sleeps

    5

    No image

    Jayco Eagle HT Fifth Wheels 28CRT

    MSRP$63,750
    Jayco Eagle HT Fifth Wheels 28CRT floor plan
    Max weight

    11,350 lbs

    Length

    32 ft 11 in

    Sleeps

    4

    K-Z Durango D280RKD exterior

    K-Z Durango D280RKD

    MSRPTBD
    K-Z Durango D280RKD floor plan
    Max weight

    12,995 lbs

    Length

    32 ft 11 in

    Sleeps

    3

    K-Z Durango Half-Ton D283RLT exterior

    K-Z Durango Half-Ton D283RLT

    Front bedroom, rear living area

    MSRP$85,536

    1 unit available

    K-Z Durango Half-Ton D283RLT floor plan
    Max weight

    11,500 lbs

    Length

    32 ft 11 in

    Sleeps

    5

    Jayco Eagle SLE 30RLT exterior

    Jayco Eagle SLE 30RLT

    MSRP$57,143

    97 units available

    Jayco Eagle SLE 30RLT floor plan
    Max weight

    10,900 lbs

    Length

    32 ft 11 in

    Sleeps

    4

    Other Sierra floor plans

    Forest River Sierra 2990TRIK

    MSRP$55,724
    Forest River Sierra 2990TRIK floor plan
    Max weight

    9,729 lbs

    Length

    32 ft 10 in

    Sleeps

    4

    Forest River Sierra 321RL

    MSRPTBD

    3 units available

    Forest River Sierra 321RL floor plan
    Max weight

    10,669 lbs

    Length

    35 ft

    Sleeps

    4

    Forest River Sierra 3330BH

    MSRP$81,692

    1 unit available

    Forest River Sierra 3330BH floor plan

    RV Envy's expert take

    We like: Separate bunkhouse with bathroom, Two full bathrooms, Booth dinette, Bathroom accessible with slides in, Bathroom accessible from hall and master bedroom, Direct access to bathroom from outside

    Consider: Tight bathrooms, Minimal storage

    Max weight

    13,769 lbs

    Length

    38 ft 3 in

    Sleeps

    10

    Forest River Sierra 3370RLS

    Rear window

    MSRPTBD

    6 units available

    Forest River Sierra 3370RLS floor plan
    Max weight

    13,560 lbs

    Length

    36 ft 4 in

    Sleeps

    4

    Forest River Sierra 33RLIK

    MSRPTBD

    1 unit available

    Forest River Sierra 33RLIK floor plan
    Max weight

    15,500 lbs

    Length

    35 ft 7 in

    Sleeps

    6

    Forest River Sierra 343RSOK

    MSRPTBD
    Forest River Sierra 343RSOK floor plan
    Max weight

    15,500 lbs

    Length

    34 ft 8 in

    Sleeps

    6

    Forest River Sierra 3440BH

    MSRP$83,532

    1 unit available

    Forest River Sierra 3440BH floor plan
    Max weight

    14,075 lbs

    Length

    40 ft 5 in

    Sleeps

    6

    Forest River Sierra 345RLOK

    MSRPTBD
    Forest River Sierra 345RLOK floor plan
    Max weight

    15,500 lbs

    Length

    35 ft 3 in

    Sleeps

    6

    Forest River Sierra 354RET

    MSRPTBD
    Forest River Sierra 354RET floor plan
    Max weight

    15,500 lbs

    Length

    34 ft 11 in

    Sleeps

    6

    Forest River Sierra 3550BH

    Bath and a half, bunkhouse, loft, two bedrooms, bathroom with entry door

    MSRPTBD

    2 units available

    Forest River Sierra 3550BH floor plan
    Max weight

    15,500 lbs

    Length

    43 ft 6 in

    Sleeps

    8

    View all Sierra floor plans →
    Forest River Sierra 378FB overview
    Forest River Sierra 378FB exterior

    Key facts

    Length
    41 ft 3 in
    Max weight
    15,500 lbs
    Sleeps
    6

    Specs

    Dimensions

    Length
    41 ft 3 in
    Height
    13 ft 2 in
    Slideouts
    3
    Axles
    2

    Tanks & capacities

    Fresh water
    60 gal
    Gray water
    104 gal
    Black water
    52 gal

    Weight & towing

    Dry weight
    12,455 lbs
    GVWR
    15,500 lbs
    Hitch weight
    2,096 lbs
    3/4 ton truck required
    New Ford F-250, RAM 2500, Sierra 2500, or bigger

    Based on overall weight and weight directly on tow vehicle's hitch and a new model tow vehicle. Please consult with a professional.

    Accommodations

    Sleeps
    6
    Download brochure

    Available years

    20182017
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