HTW 45 Tandem chassis, 45 to 48.6 m³ load volume, without dosing rollers, from 160 hp

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HTW 45
Tandem chassis, 45 to 48.6 m³ load volume, without dosing rollers, from 160 hp

The forage transport trailer is the logical link for an efficient transport of quality feed between modern forage harvesters and the fodder silo. It maximizes utilization of the forage harvester, thereby paying a valuable contribution to reducing the time needed for harvest. As well as transporting grass and maize silage, the BERGMANN forage transport trailers can also be used for other forage, such as whole crop silage, wood chips and many other biomass products. The wide range of BERGMANN forage transport trailers has been developed for agricultural enterprises for which speed and economic efficiency are key. Rapid unloading and thus superior performance are ensured through the combination of a robust, conical cargo space, a scraper floor with four solid round-link steel chains with an overall breaking load of 100 t, and a powerful scraper floor drive on both sides. The HTW 45 forage transport trailer without dosing rollers has a load volume of 45 to 48.6 m³. The HTW models without dosing rollers are especially suited for rapid unloading of large fodder volumes next to the silo. They can be unloaded in less than a minute. The standard tandem chassis with 300 mm hydraulic axle compensation ensures superior driving characteristics, excellent stability and off-road capability as well as safety both at standstill and while driving. To ensure low ground disturbance on the field – especially on light, peaty soils with low weight-bearing capacity – various tyres with ideal rolling and rollover characteristics in sizes up to 800/45 R30.5 are available. A follow-up steering to minimize disturbance of the sensitive sward is standard. For the HTW series, many convenient optional extras are available, including a cargo space cover, forced steering, LED working lights and an automatic central lubrication system. It can be operated via ISOBUS.

Chassis:

High loads and service life through torsion-resistant chassis and low dead weight of forage transport trailer
Easy height adjustment of drawbar eye through height-adjustable drawbar for low drawbar
High driving comfort and very high load capability through spring-loaded drawbar
Narrow drawbar for good manoeuvrability

Bogie:

High swing angles for good adaptability to terrain, easy driving over silos and easy towing with and handling on the road through tandem chassis with trailing arms and hydraulic axle compensation of 300 mm
Maximum driving safety, for example at high speeds and on slopes
Clean mudguards and therefore no soiling of road since mudguards are tapered to the outside
Manoeuvrability, transport with low ground disturbance also at high payloads and low tyre wear through standard follow-up steering
High stability in the field and on the silo through 2,100 mm axle track width
Low ground disturbance also at high payloads through optimum distribution of the weight over the four wheels and tyres up to 800/45 R30.5

Brake system:

Safe driving, operational safety and high ease of use through standard dual-circuit air brake system

PTO shaft:

Overload protection for tractor and forage transport trailer through standard wide-angle PTO shaft (on one side) with cam clutch

Drive train:

Minimum wear through 1-piece shaft without spring pins and holes

Body:

Easy emptying also of damp and heavy forage through conical body
Transparent front wall provides the driver with an excellent view into the cargo space
Inclined front wall to prevent accumulation of forage in the front wall viewing window
Easy harvesting through the 600 mm high hydraulically foldable forage loading flap in the front wall as standard
Reliable mechanical locking of hydraulically operated tailgate also on poor roads
Easy emptying also at high load through tailgate with large opening width

Scraper floor:

Long durability and high reserves through four strong round-link steel chains with specially hardened ends
No chain skipping due to large engagement depth of chain links in the chain sprockets (approx. 95 %)
No flight skew through paired link elongation
Reliable crop transport through flights of rectangular tubing
Easy monitoring of scraper floor and chain tension through automatic chain tensioners that can be seen from the tractor
Convenient chain tension readjustment from the front of the forage transport trailer
Convenient observation of the scraper floor through viewing window
Quick emptying through scraper floor that is mechanically driven on both sides with split feed shaft
Even power transmission to the scraper floor through mechanical drive
Even crop feed ensures a good distribution in the silo

Operation:

Easy and safe operation allows high daily output

Chassis:

Frame of rectangular tubing
Mechanical spring-loaded drawbar for low drawbar
Hydraulic jack stand

Bogie:

2 braking axles
Tandem chassis with trailing arms and hydraulic axle compensation
Maintenance-free cylinder bearings
Axle track width 2,100 mm
Axle centre distance 1,810 mm
10-hole wheel connection
Hydraulically lockable follow-up steering axles (2nd axle)

Brake:

Dual-circuit air brake system with ALB regulator, spring actuated

Body:

Conical cargo space
Bridge dimensions: 8,460 x 2,400 mm, 2 cross-braces
Body is made of 200 mm U-frame profile
Height of side wall 2,200 mm
Contoured panel front wall inclined towards the front with large viewing window
600 mm high, hydraulically foldable forage loading flap
The side walls are made of galvanized and plastic-coated contoured panels
Hydraulically operated tailgate with mechanical lock
Steel floor

Scraper floor:

Mechanical drive on both sides
4 round-link steel chains (14 x 50 mm each, 25 t breaking load per chain)
Automatic chain tension
Split feed shaft
Diameter of feed shaft 60 mm
Screwed, closed flights
Unloading speed: approx. 16.3 m/min at 1,000 rpm

Drive:

Walterscheid wide-angle PTO shaft (on tractor side) with cam clutch
One-piece drive shaft
PTO speed 1,000 rpm

Hydraulic connection:

2x double-acting control unit for hydraulically operated tailgate and forage loading flap
1x single-acting control unit for hydraulic chassis and for follow-up steering axle
1x unpressurized return line

Lighting according to EU directives
Protective equipment according to German employers’ liability insurance association
EU type approval (CoC)

Dimensions
Length	10.150 mm
Width	2.550 mm
Height	4.000 mm
Body length	8.460 mm
Body width	2.400 mm
Body height	2.200 mm
Weight
Gross weight	23.000 - 24.000 kg
Net weight with basic equipment	8.420 kg
Coupling
Low drawbar	x
Permissible tongue load of low drawbar	3.000 - 4.000 kg
Drawbar eye (hitch ring) Ø 50 mm	x
Drawbar eye K80	x
Drive
PTO shaft input speed	1.000 U/min
Body/cargo space
Load	14.580 - 15.580 kg
Load volume	45 m³
Load volume with side wall extensions	48,6 m³
Height of forage loading flap	600 mm
Scraper floor
Number of scraper floor chains	4
Dimensions of links	14 x 50 mm
Max. breaking load per scraper floor chain (total)	25 (100) t
Mechanical scraper floor drive	x
Scraper floor drive on both sides	x
Unloading speed at 1000 rpm	16,3 m/min
Chassis
Tandem chassis	x
Hydraulic axle compensation	x
Number of wheels	4
Number of follow-up steering axles	1
Lift axle (optional)	x
Axle track width	2.100 mm
Axle centre distance	1.810 mm
Air brake	x
Transport speed	40 km/h
Tyres
26.5" wheel rim	x
30.5" wheel rim	x
Tractor requirements
Engine rating (min. - max.)	118 - 257/160 - 350 kW/PS
Required control valves (single acting)	1
Required control valves (double acting)	2

* We reserve the right to make changes to dimensions, weights and technical data. Dimensions and weights do not necessarily correspond to series versions and are not binding.

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Documents

20230526_HTW-Serie_EN