BMU - MINI UNDERCARRIAGE - CATENA LTD. Official dealer Berco Spa.

The Berco Mini Undercarriage program offers an

innovative, reliable and economical set of mini

undercarriage solutions, catering for mini

excavators, horizontal drilling machines, small

dozers or paving machines and providing you with

the right answer to your specific requirements.

Berco can supply a complete range of

interchangeable components for rubber track belts

or traditional steel track chains, guaranteeing the

best possible value for money. Superior

engineering, innovative technology (e.g. patented

monoblock cast iron chains), comprehensive knowhow

and state-of-the-art manufacturing ensure the

total quality of the products and services offered.

THE WIDEST CHOICE

•A complete line of undercarriage components for
mini excavators and similar class machines
ranging from 1 to 6 ton
• Track chains with 90-140 mm pitch (3.54”-5.51")
• Monobloc austempered cast iron track chains or
traditional steel chains with welded or bolt-on shoes
• Interchangeability from steel to rubber and viceversa
• Clamp-on rubber pads or rubberized shoes available
• Complete and fully assembled undercarriage frames

F25C - HEAVY DUTY TRACK CHAIN

SPECIALLY DESIGNED FOR PAVING

MACHINES

Sealed and greased track chain pitch 125 mm (4.92”),

with w-shaped polyurethane seals, reinforced track link

with strut for extremely heavy-duty applications and

heavy vehicles, four different shoes:

• Flat, hot forged, 300 mm (11.81”)
• Rubberized (polyurethane) shoe, 300 mm
• Triple grouser shoe, 300 mm, open center upon request
• Single grouser shoe, 300 mm, open center upon request

Single grouser shoe

Flat type shoe

A complete range of undercarriage parts for mini excavators and trucks with capacity from 1 to 6 tons.

Triple grouser shoe

Rubberized shoe

25C - FL4 MACHINE CLASS

AUSTEMPERED DUCTILE

IRON SPROCKETS

• For agricultural tractors: Fiat, Same-
Lamborghini, Landini, etc…
• Made of Austempered Ductile Iron
(ADI Berco Patent) for superior
structural support and wear resistance
• Special heat treatment (austempering)
to ensure correct hardness level and
give lasting wear resistance and
durablity
• Optimized design to reduce stress
concentration

TRACK CHAIN WITH

WELDED SHOES

• Chain pitch 101,6 mm (4”)
• Track welded on both sides
• Three possible chains widths: 70, 78
and 83 mm (23/4”, 3” and 31/4”)

TRACK CHAIN WITH WELDED SHOES

25C - FL4 MACHINE CLASS AUSTEMPERED DUCTILE
IRON SPROCKETS

TRACK CHAIN
WITH BOLT-ON SHOES

• Chain pitch 135 mm (5.31”)
• Track bolt-on both sides
• Three possible chains widths: 74, 82
and 85 mm (2.91”, 3.23” and 3.35”)

Undercarriage Class	Track chain Pitch (mm)	Teeth Number	Machine Power (HP)
25C	125	25	55-60
FL4	140	25-27	60-85

TRACK CHAIN WITH BOLT-ON SHOES

	CLASS Т150 Pitch:: 90 ММ
	CLASS Т300 Pitch:: 101,6 ММ

	CLASS F25C Pitch:: 125 ММ
	CLASS T500 Pitch:: 135 ММ
	CLASS FL4 Pitch:: 140 ММ