Screening Technology & Amphibious Excavators

AMPHIBIOUS EXCAVATORS &

DREDGERS

REMU Big Float

English

www.remu.fi
REMU BIG FLOAT UPPER STRUCTURE

As a customer you are free

Your access to unreachable locations to choose any widely known
excavator brand to be mounted.
Once you decide which brand
excavator you want, REMU’s
team will do the rest, to deliver
a 100% ready to operate
REMU Big Float is a unique amphibious excavator designed to work in most challenging amphibious excavator.
environments. It can be driven on solid land, through shoreline and to shallow water areas that
cannot be reach by normal excavator or by boat. As it’s totally floating, it’s also able to move on
swamp where it is impossible for a man to walk. PONTOON UNDERCARRIAGE

Big Float is designed and developed in Finland where thousands of lakes and peat swamps has
Pontoons are manufactured in
offered enough challenges and possibilities to test different working methods. When seeing three sizes. Each excavator to be
practical problems, and even traditional excavators sinking to swamp, we have realized the need for mounted, is carefully weighted
safe and productive working method. and measured to assure the
needed stability and buoyancy
from pontoons. Pontoons are
also available without upper
structure.

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PONTOON UNDERCARRIAGE
Reliability comes with carefully WHY TO CHOOSE
engineered details REMU BIG FLOAT?
Big Float undercarriage is built to survive trough changing terrains. Shape of the pontoon together
with powerful drive motors are designed to give best mobility in the worst surroundings. Strong and • Better outreach compared to working from barge
proven chain structure is the same as in a normal excavator, offering reliable performance.
• Tracks and chains same as in any normal excavator, strong, and proven quality.
Big Float pontoon undercarriage is a unique platform that creates a safe working environment in • Pontoon structure with baffle sections guarantee safe floating
otherwise unsafe locations. Each part of the pontoon is a result of careful study. Abrasion resistant
steel is used in every parts of the pontoons that receive most shocks caused by uneven surfaces. • Patented Technology EP 1727687 and US Pat. 7,588,106
Furthermore, each pontoon is divided in baffle sections, to secure floating.

Patented narrowed pontoon undercarriage structure.

Hydraulically adjusted
Durable Track System
For an easy mobility and Transport width
Provide long service life in the
transportation in public roads.
most demanding applications.
REMU Big Float pontoons can be
Ground Pressure hydraulically adjusted. This feature
less than 110 g/cm2 allows the operator to pull the
pontoons together when passing
through narrow gaps and then spread
them apart to achieve a steady
position for operations. Working width

Two speed track drive Made of ABRASION

RESISTANT STEEL
The driving power of Big Float comes
from standard excavator planetary gear 8 Times longevity than other
motors with massive maximum torque ordinary machines.
of 56 kNm per motor. High speed mode
for easy terrain.

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REMU BIG FLOAT
Built to operate in every situation

Digging dredging and Suction dredging Dredging Intake Channels and Reservoir in Hydro Cutting Aquatic Vegetation Cutting Bushes from Water Side
Power Plant

All kind of digging dredging in shallow water Sediment that is piling on the bottom of the Aquatic vegetation that is growing on the Willow trees and other bushes can grow fast
areas down to 9 meters can be done with Big intake channels and reservoir of barrage of bottom of the river or lake can be removed with and hide the landscape at waterside. With Big
Float. Removing mud or stones, transforming hydro power plant, can be dredged with Big Big Float and rake. With Big Float it is possible Float and a special cutting tool, harvesting can
reservoir banks or cleaning industrial waste Float to maintain sufficient flow for the plant’s to remove also roots of the plant and thus be done fast without leaving excessive marks to
ponds are the most common applications for operations. prevent plants growing back. If it is needed also the environment.
Big Float. Big Float can also operate as a tool special hydraulic tools can be used for cutting.
carrier for suction dredging equipment.

Building Filtering Dam to a Peat Swamp Cleaning Channels Mining Industry Landscaping

When swamp is used for peat production, Big Float is easy to operate also in channels and Big Float can be helpful in many stages in open REMU Big Float can be used for landscaping in
humus may leach as a result of drainage or other narrow water ways. Trashes, leaves and cast mines. It has been used for example to swampy areas near river ways and shorelines
peat extracting. Big Float has been used for branches from the trees and excess sediment assist water pumps and other dewatering and where conventional machine won’t be able to
building a dam to filter humus out of water that is piling on the bottom of the channel can damming jobs. operate as it can easily slip & sink into the soft
before it streams into the surrounding water be removed with rake or dredging bucket. ground and get immobilized.
system.

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REMU BIG FLOAT Big Float operation areas

Reach HIGHER, STRONGER AND FURTHER

REMU Big Float raises productivity and operating area to

a whole new level and sets the future standard for the
working environment.

Big Float 800 Big Float 1400 Big Float E 22

B I G
Operating Areas
202 m2 2174 ft2 531 m2 5715 ft2 805 m2 8665 ft2

Average operating area of a conventional dredger is 175 m2 (1884 ft2).

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TRANSPORTATION AND HIGH MOBILITY

Makes remu big float the right

machine.

REMU Big Float is easy to transport from one job site to another: Simply retract the pontoons to REMU’s patented pontoon undercarriage can be narrowed effortlessly in order to enable easy
transportation width (3 meters), and drive the Big Float onto the lowboy. Even the biggest Big Float transportation along public roads. Further REMU Big Float is instantly ready to use without any crane
model is only 3,5 meters width in transportation mode. or assembly work at the job site.

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TECHNICAL DETAILS Big Float 800 Big Float 1400 Big Float E 22

Weight 13 500 kg 24 000 kg 36 000 kg

A min. Transport width 3m 3m 3,5 m
A max. Maximum working width 4,2 m 4,8 m 5,5 m
L Maximum working width with additional pontoons 6,2 m 7,8 m 8,2 m
A driving 3m 3,6 m 3,6 m
B Transport height 3,2 m 3,7 m 3,9 m
C Outreach (in front) 8,7 m 13 m 16 m
D 4,5 m 6m 6,4 m
E 2m 2,5 m 4,5 m
F (Minimum width) 1,7 m 2,3 m 2,0 m

Met ric units

G (Undercarriage height) 1,5 m 1,7 m 1,9 m
K
H Digging depth 4,3 m 7,5 m 9m
I 5,1 m 8,5 m 10 m
J 5,7 m 9,7 m 12,5 m
K 7,5 m 11 m 13 m
L 5m 6,9 m 9,6 m
M Overall transport length 9m 13,7 m 16 m
N Track shoe width 0,3 m 0,4 m 0,4 m
O Track shoe width 0,95 m 1,2 m 0,9 m
P 1,3 m 1,3 m 1,5 m
Q 1,2 m 1,4 m 1,7 m
R Transport length (pontoons) 7m 11,2 m 11,4 m
S 2,4 m 3m 3,3 m
T N/A 3,2 m 3,8 m
Ground pressure 1
125 g/cm 2
160 g/cm 2
110 g/cm2
Maximum working depth without additional pontoons 1,2 m 1,5 m 1,8 m
H
Weight 29 800 lb. 53 000 lb. 73 000 lb.
A min. Transport width 10 ft. 10 ft. 11 ft.
I A max. Maximum working width 14 ft. 16 ft. 18 ft.
Maximum working width with additional pontoons 20 ft. 26 ft. 28 ft.
A driving 10 ft. 12 ft. 14 ft..
B Transport height 10 ft. 12 ft. 13 ft.
C Outreach (in front) 29 ft. 43 ft. 53 ft.
D 15 ft. 20 ft. 21 ft.
E 6 ft.7 in. 8 ft. 11 ft.
J F (Minimum width) 5 ft.7 in. 7 ft.7 in. 8 ft.6 in.

Imperial units
G (Undercarriage height) 5 ft. 6 ft.7 in. 6 ft.3 in.
C
H Digging depth 14 ft. 24 ft.7 in. 30 ft.
S I 17 ft. 28 ft. 33 ft.
J 19 ft. 32 ft. 41 ft.
T K 24 ft.7 in. 36 ft. 43 ft.
L 16 ft.5 in. 23 ft. 31 ft.
M Overall transport length 30 ft. 45 ft. 53 ft.
B N Track shoe width 1 ft. 1 ft.4 in. 1 ft.4 in.
O Track shoe width 3 ft. 4 ft. 4 ft.
P 4 ft. 4 ft. 5 ft.
Q Q 4 ft. 4 ft.7 in. 5 ft.3 in.
R Transport length (pontoons) 23 ft. 37 ft. 37 ft.
S 8 ft. 10 ft. 12 ft.
G
D F T N/A 11 ft. 12 ft.
O Ground pressure 1 1,8 Psi 2,3 Psi 1,6 Psi

N Maximum working depth without additional pontoons 4 ft. 5 ft. 6 ft.

E P
R A 1
Ground pressure is measured with 500 mm submerged pontoons
M All weights and sizes (metric and imperial) are approximate. Specifications subject to modifications at manufacturer’s discretion. Always revise
the local limitations for road transportation. Some measurements depends on the chosen make and model of the base machine.

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SPECIFICATIONS WORKING IN OPEN WATER
BIG FLOAT WORK TOOLS OPTIONAL EQUIPMENT
REMU Big Float can be equipped with any tool and
REMU Big Float is totally floating. However, operating
attachment that is need to fulfill certain application.
the machine in open water deeper than 1,5 meters (5
Followings are some of REMU’s produced equipment.
ft), requires always additional pontoons and anchoring
legs.

Dredging Bucket
General dredging attachment with holes to remove
excessive water.
Volume A Mass Additional Pontoons
Metric units

Model
Litres mm Kg Additional pontoons gives the needed buoyancy and
Bucket 300 300 1 020 180 stability when working without bottom contact.
Bucket 600 600 1 300 490
Bucket 800 800 1 540 540

Volume A Mass
Imperial units

Model
gal. inch. lb.
Bucket 300 80 40 397
Bucket 600 160 52 1 080
Bucket 800 210 60 1 190

Rake
Attachment clears away unwanted reeds, roots, limbs
and any other vegetation from shorelines, waterways
or river sides.
A B Mass
Metric units

Model
mm mm Kg
Anchoring Legs
Rake 800 1 150 1 540 300
Rake 2200 1 350 2 220 520
Anchoring legs secure the Big Float to the bottom
Rake 2500 1 530 2 530 690 so that machine doesn’t move while digging or when
working in conditions where current occurs.
A B Mass
Imperial units

Model
inch. inch. lb.
Rake 800 46 60 662
Rake 2200 54 88 1 146
Rake 2500 60 100 1 522

Suction Dredging attachment

Designed for suction dredging of slurry, mud, and

sand. REMU offer different pump options for such
application. The mass of the unit is approximately 800
Kg depending on the selected pump.
Max output 1 Max lifting height Allowable oil flow
Model
l/min m l/min
Metric units

Pump 1 3 000 35 50
Pump 2 5 000 30 100
Pump 3 8 000 35 169
Pump 4 12 000 35 200 Propellers
Pump 5 20 000 35 317
Propellers are attached to additional pontoons to
Model
Max output 1 Max lifting height Allowable oil flow drive the Big Float in open water. The speed of 7
gal/min ft. gal/min km/h (3,8 knots) (4,5 mph) can be achieved.
Imperial units

Pump 1 793 115 13

Pump 2 1 321 98 26
Pump 3 2 113 115 45
Pump 4 3 170 115 53
Pump 5 4 400 115 84
1
lifting height at 1m.

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 REMU Oy REMU Sales Office, REMU USA Inc. REMU Deutschland GmbH
Headquarters, Finland China +1 888 600 0018 +49 171 418 0862
+358 20 743 1160 +86 135 8800 3776 usa@remu.fi deutschland@remu.fi
info@remu.fi china@remu.fi

Your Dealer

Under our policy of continuous improvement, we reserve

www.remu.fi

the right to change specifications and design without

prior notice. The illustrations do not necessarily show the
standard version of the machine.
REMU Big Float 04/15. ENG Copyright © 2015 REMU Oy