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Union Construction Machinery Co., Ltd.

Amphibious Excavator, Mphibious Pontoons Undercarriage, Mphibious Pontoons manufacturer / supplier in China, offering Cat 320d (20t) Amphibious Excavator with Undercarriage Pontoon, Good Price Kobelco Sk75 Mini Excavator, Used Road Roller Dynapac Ca30 Original Cummins Engine and so on.

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Supplier Homepage Product Amphibious Excavator Cat 320d (20t) Amphibious Excavator with Undercarriage Pontoon

Cat 320d (20t) Amphibious Excavator with Undercarriage Pontoon

FOB Price: US $49,000-119,000 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $49,000-119,000/ Piece
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Port: Shanghai, China
Production Capacity: 100 Sets/Year
Payment Terms: L/C, T/T, D/P, Paypal

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Basic Info
  • Model NO.: CAT 320D hydraulic Amphibious Excavator
  • Usage: Special Excavator, Marine Excavator
  • Transmission: Hydraulic Transmission
  • Bucket Capacity: 1.0~1.5m³
  • Certification: CE, ISO9001: 2000
  • Operation Weight: 20t
  • Transport Package: in Bulk or in Container
  • Origin: Japan
  • Type: Crawler Excavator
  • Bucket: Grab Shovel
  • Drive Type: Internal Combustion Drive
  • Size: Medium-Sized
  • Condition: New
  • Trademark: UNION
  • Specification: SGS
  • HS Code: 3111968887
Product Description

We UNION mainly produce 6Ton to 50Ton amphibious excavator. According to your requests, we could assemble different brands and model excavator upper parts, like PC200, HITACHI ZX210, DH215, EX120,CAT315.... Also, if you have crawler excavator (New or Used) , we can only produce amphibious undercarriage (Pontoon Undercarriage) for you. Sincerely wish could have chances to do businss with you and welcome you to visit our factory!



1.Deepening of canal, river channel and river mouth

2.Swamp land clearing at mining area, plantation and forest

3.Building bund for flood prevention and land reclamation

4.Building bund wall for fish and shimp ponds and salt making industry

5.Sludge clearing of lakes, ponds and water reservoir

6.Digging trenches for oil and gas piping installation

7.Transporting and clearing landslide and flood hit area

8.Swamps and wetlands construction

9.Road construction through wetlands.

Cat 320d (20t) Amphibious Excavator with Undercarriage Pontoon


TypeSix-cylinder, mechanical injection, turbocharged, water cooled
Rated power106.5kw
Rated speed2050rpm
Main Technical Specification
Operating weight30000kg
Standard bucket capacity0.9m3
Slewing speed11rpm
Stick digging force97.64KN
Bucket digging force122.85KN
Hydraulic System
Main pumpKawasaki
Main valveKawasaki
Hydraulic pressure32Mpa
Traveling System
Traveling speed0~5.4Km/h
Grade ability65%
Ground pressure0.014Mpa
Overall length11200mm
Overall width5350mm
Overall height3900mm
Ground clearance1192mm
Rear-end length/Slewing radius2801mm
Width of pontoon1700mm
Length of pontoon8500mm
Height of pontoon1800mm
Operating Scope
Stick length2900mm
A: Max cutting height10577mm
B: Max dumping height7810mm
C: Max digging depth5704mm
D: Max reach19900mm

Cat 320d (20t) Amphibious Excavator with Undercarriage Pontoon
Dimensions ( UCM200FT )mm
ATrack length9000
BGround contact length of tracks5200
CTail swing radius2750
DOverall length11200
EOverall height (to the top of arm)3880
FGround clearance of counter weight2025
HOverall width4940
ITrack gauge3440
JTrack width1500
KGround clearance1140
LTrack height1840
MOverall height (to the top of cab)3870
NWidth of the top part2710 

Details for manufacture

Cat 320d (20t) Amphibious Excavator with Undercarriage Pontoon
Cat 320d (20t) Amphibious Excavator with Undercarriage Pontoon
Cat 320d (20t) Amphibious Excavator with Undercarriage Pontoon


Q: How to install ?

A: 1., a floating box landing, the two through the tube into the floating box hole, inserted in the side of the tube, a piece of wood pad, so that the lateral tilt
2. drop another pontoon and point it through two tubes
3. after the tube is inserted, the tube is fixed by the bolt
4.. Enlarge the plate to the tank and use the U card to fix it
5., the upper part of the excavator hoist, put on the market, with wide eyes on the Qi, tighten the screws
6. connect the hydraulic oil pipe, connect the oil pipe of the motor on the float box to the excavator

Q:How to operate?

A : 1., prohibit the operation of more than 1.6 meters water depth, silt is not limited to depth
2., prohibited in the uneven, the left and right sides of the floating box, the focus of great disparity in the situation, walking operations
3. amphibious excavators use slow gear while walking, and do not use fast gear
4., start the walking state, the first step on the foot of the throttle, and then walk
5. do not press hard objects while walking
6. avoid long walking on the hard surface
7. when turning, the front of the floating body can be lifted by the power of the bucket, and when the angle is shifted, the running of the chain plate can be avoided, and the derailment of the chain plate can be avoided

Q: How to maintain?

A:1. ensure the chain tension, loose situation should be adjusted to 3-5, a chain wheel suspension track shall prevail
2. ensure that the seat four screws, and ensure ten days (or work 80 hours) to beat the butter
3. top silk, beat butter once a week
Check the screws between the 4. chains and the chain, check the screws frequently and keep the screws tight

Brand: CAT
Model: 320D
Type: Amphibious Excavator
Year: 2014
Condition: Used
Standard: Excellent
Packing: In Bulk or in Container
Port: Shanghai
Delivery Time: Within 15 days

We have the most detailed info about the machines, if you need, please contact we freely, we'll try our best to satisfy you.

We also supply crawler cranes, truck cranes, bulldozers, , wheel loaders, road rollers, motor graders, etc
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