Copma 450.4J4 on Western Star Truck

Brand new fully hydraulic (no electronics) Copma 450.4 with J4 fly-jib and top seat controls mounted on a new Western Star 4700 set-back front axle cab/chassis

This crane has 4 hydraulic extensions on the main boom and 4 hydraulic extensions on the jib with a rated capacity of 1,900 lbs at 70’7″.

This would make a great concrete form cage handling truck. Available for immediate delivery!


Technical Data
Standard Crane Weight 13,248 lbs
Lifting Torque 304,567 lb-ft
Slewing Rotation 360 Degrees Continuous
No. of hydraulic hoses to end of main boom 4
No. of hydraulic hoses to end of jib None
Working Pressure 4,568 psi
Pump Capacity 16 gpm
Ground No
Stand Up No
Top Seat Yes
Radio Remote Available with or without
Radio Remote Manufacturer Scanreco
Stabilizers (Outriggers)
Main Outriggers Hydraulic out and down
Rotating No
Aux. Outriggers No
Included Items
Hydraulic Pump Yes
Oil Cooler Yes
Mounting Kit Yes
Oil Tank Yes
Manufacturer Western Star
Model 4700
Year 2018
Manufacturer Detroit Diesel
Model DD13
Horsepower 470 HP
Type Manual
Manufacturer Eaton Fuller
Model RTO 1690 8LL
Front Axle 20,000 lbs
Rear Axle 44,000 lbs
Tag Axle 13,500 lbs
Pusher Axle 13,500 lbs
Deck Length 24' low-profile
Suspension N/A
  • 300” wheelbase; 230” cab to tandem
  • Driver controlled differential lock forward/rear and rear/rear
  • 25/65R22.5 20-ply front tires on aluminum disc front wheels
  • Double Frame
  • Dual west coast stainless steel heated mirrors with RH&LH remote
  • Engine block heater
  • Jake Brake
  • Air Ride cab
  • Heater, defroster and air conditioning
  • RH and LH powered windows

Horizontal Load Capacities (without jib)*

43,430 lbs @ 6’9″19,700 kg @ 2.05 m
21,450 lbs @ 14’9″  9,560 kg @ 4.49 m
14,525 lbs @ 20’8″  6,590 kg @ 6.29 m
10,865 lbs @ 26’10”  4,930 kg @ 8.19 m
  8,575 lbs @ 33’4″   3,890 kg @ 10.16 m
  7,055 lbs @ 39’11”   3,200 kg @ 12.16 m

Horizontal Load Capacities (with jib)*

  4,409 lbs @ 50’9″   2,000 kg @ 15.51 m
  3,935 lbs @ 55’3″    1,785 kg @ 16.85 m
  3,042 lbs @ 60’4″    1,380 kg @ 18.40 m
  2,370 lbs @ 65’3″    1,075 kg @ 19.90 m
  1,907 lbs @ 70’7″       865 kg @ 21.56 m

*Provided load capacities are for general reference only. Please consult the manufacturers official load charts/diagrams/user manual before purchasing and operating this crane.

File Downloads
Copma 450 Brochure  Download File

Contact Information

Todd Brady


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Max Hyd Outreach70'7"
Max Lift Capacity43,430lbs
Hyd Extensions4
Man Extensions0
Fly-Jib ModelJ4
Fly-Jib Extensions4
Capacity at Max Reach1,900 lbs @ 70'7"
Radio RemoteNo
Load Moment30.5tm
LocationIllinois, USA

Knuckleboom Trader LLC helps bring together buyers and sellers of knuckleboom cranes and trucks. The terms of any sale remain subject to direct negotiation between the buyer and the seller. Please verify all details of the item before purchasing. Knuckleboom Trader LLC is not responsible for any errors in listing details or the condition of the cranes and trucks listed on