Tractor HORST A 404DXU
TRACTOR HORST A 404DXU: FORTY HORSES UNDER THE HOOD — ALL THE WORK LATER! When old equipment is already barely breathing, the work doesn't get any less, and weather and prices constantly test your resilience, there’s no extra money for experiments, but standing still is not an option either — it’s the perfect time to switch to the Horst A 404DXU tractor, which without unnecessary pomp takes on all the heavy work, provides modern functionality and helps you stay on your feet. ENGINE The hood is secured by reliable side latches, and pneumatic supports help lift it. Under it runs a 4-cylinder diesel KM490BT that starts easily in frosts thanks to an electro-flame glow plug. Clean air is guaranteed by a durable contact-oil filter that saves money on maintenance. The fuel tank is polymer under the driver platform, with a high filler neck and metal protection — refuel without extra hassle. TRANSMISSION AND CHASSIS To prevent the tractor from bouncing under load and to ensure confident movement over loose soil, front and rear ballast were added (6×11/2×2×25 kg) — the total weight of the machine reaches 1600 kg. Traction force is 11 kN, and full drive guarantees confidence in the field. Front tires 7.5-20 and rear 11.2-28 are reliably covered by fenders. The reversing gearbox provides 4 speeds forward and 4 backward in two ranges, and steering is made easy and precise by the hydrostatic steering. ATTACHMENT SYSTEM Lower hitch links with interchangeable balls simplify coupling of implements. Damping of the top spring reduces its oscillation during movement. Additional hydraulic outlets from the main distributor with quick-release couplings expand the machine’s capabilities. And for working with powered implements you have PTO at 540 and 1000 rpm. A replaceable pendulum kingpin expands transport capabilities. COMFORT AND ELECTRICAL EQUIPMENT You can mount from either side of the tractor thanks to two steps, holding on to the metal leg protection frame and a sturdy shaped handle on the fender. The seat with anatomical backrest and suspension is adjusted by distance to the steering wheel. Elbows can rest on armrests or you can remove them completely. The multifunctional instrument panel will please with its practicality and functionality, and the quick-turn knob on the steering wheel will speed up any maneuvers. It’s enough of pulling everything on pure endurance and constantly patching old scrap metal — it’s time to reliably rely on the sturdy Horst A 404DXU tractor, feel its real working grip and make this land finally work for you, not you for it!
Engine model: KM490BT
Engine type: Diesel, 4-stroke, direct injection, water-cooled
Number and arrangement of cylinders: 4, inline, vertical
Engine displacement, cm³: 2544
Turbocharging: None
Rated engine power, hp (kW): 40 (29.4)
Air filter: Contact-oil: high air intake with transparent cyclone, oil bath, metal mesh
Intake manifold heater: Electro-flame type
Fuel tank capacity, L: 50
Transmission type: Mechanical multi-speed
Gear shifting formula: (4×2)+(4×2)
Main gearbox: 4 forward, neutral, reverse
Additional reduction boxes: 2 gears, neutral
Separate reversing gearbox: Yes
Clutch: 2-disc, two-stage, dry, constantly engaged type, mechanically actuated by pedal
Steering: Hydrostatic, separate hydraulic pump, two-way front axle hydraulic cylinder, oil tank separate from hydraulic system
Wheel formula: 4×4
Brakes: Rear, drum, mechanical, separate pedals for right and left wheel, synchronized simultaneous pedal action
Theoretical forward speed, km/h: 3.1-42.7
Theoretical reverse speed, km/h: 3.0-41.6
Rear axle differential lock: Forced, splined coupling, engaged by lever from driver’s position
Minimum turning radius without brakes, m: 3.4
Minimum turning radius with brakes, m: 3.8
Nominal traction force, kN: 9.2
Overall dimensions (L×W×H), mm: 3350×1550×2350
Operating weight, kg: 1740
Front tire size: 7.50–20
Rear tire size: 11.2–28
Wheelbase, mm: 1815
Front track, mm: 1200
Rear track, mm: 1400
Agrotechnical clearance, mm: 550
Ground clearance, mm: 420
Additional front/rear weights, (qty × kg): 6×11/2×2×25
Rear hitch system: Universal, 3-point
Hydraulic lift drive: Two-cylinder, two-way, with built-in safety valve
Maximum hitch load capacity, kg: 600
Towing device: Quick-release with fixation
PTO speeds, rpm: 540-1000
Hydraulic oil tank capacity, L: 18
Published on 2026/10/11
TRACTOR HORST A 404DXU: FORTY HORSES UNDER THE HOOD — ALL THE WORK LATER! When old equipment is already barely breathing, the work doesn't get any less, and weather and prices constantly test your resilience, there’s no extra money for experiments, but standing still is not an option either — it’s the perfect time to switch to the Horst A 404DXU tractor, which without unnecessary pomp takes on all the heavy work, provides modern functionality and helps you stay on your feet. ENGINE The hood is secured by reliable side latches, and pneumatic supports help lift it. Under it runs a 4-cylinder diesel KM490BT that starts easily in frosts thanks to an electro-flame glow plug. Clean air is guaranteed by a durable contact-oil filter that saves money on maintenance. The fuel tank is polymer under the driver platform, with a high filler neck and metal protection — refuel without extra hassle. TRANSMISSION AND CHASSIS To prevent the tractor from bouncing under load and to ensure confident movement over loose soil, front and rear ballast were added (6×11/2×2×25 kg) — the total weight of the machine reaches 1600 kg. Traction force is 11 kN, and full drive guarantees confidence in the field. Front tires 7.5-20 and rear 11.2-28 are reliably covered by fenders. The reversing gearbox provides 4 speeds forward and 4 backward in two ranges, and steering is made easy and precise by the hydrostatic steering. ATTACHMENT SYSTEM Lower hitch links with interchangeable balls simplify coupling of implements. Damping of the top spring reduces its oscillation during movement. Additional hydraulic outlets from the main distributor with quick-release couplings expand the machine’s capabilities. And for working with powered implements you have PTO at 540 and 1000 rpm. A replaceable pendulum kingpin expands transport capabilities. COMFORT AND ELECTRICAL EQUIPMENT You can mount from either side of the tractor thanks to two steps, holding on to the metal leg protection frame and a sturdy shaped handle on the fender. The seat with anatomical backrest and suspension is adjusted by distance to the steering wheel. Elbows can rest on armrests or you can remove them completely. The multifunctional instrument panel will please with its practicality and functionality, and the quick-turn knob on the steering wheel will speed up any maneuvers. It’s enough of pulling everything on pure endurance and constantly patching old scrap metal — it’s time to reliably rely on the sturdy Horst A 404DXU tractor, feel its real working grip and make this land finally work for you, not you for it!
Engine model: KM490BT
Engine type: Diesel, 4-stroke, direct injection, water-cooled
Number and arrangement of cylinders: 4, inline, vertical
Engine displacement, cm³: 2544
Turbocharging: None
Rated engine power, hp (kW): 40 (29.4)
Air filter: Contact-oil: high air intake with transparent cyclone, oil bath, metal mesh
Intake manifold heater: Electro-flame type
Fuel tank capacity, L: 50
Transmission type: Mechanical multi-speed
Gear shifting formula: (4×2)+(4×2)
Main gearbox: 4 forward, neutral, reverse
Additional reduction boxes: 2 gears, neutral
Separate reversing gearbox: Yes
Clutch: 2-disc, two-stage, dry, constantly engaged type, mechanically actuated by pedal
Steering: Hydrostatic, separate hydraulic pump, two-way front axle hydraulic cylinder, oil tank separate from hydraulic system
Wheel formula: 4×4
Brakes: Rear, drum, mechanical, separate pedals for right and left wheel, synchronized simultaneous pedal action
Theoretical forward speed, km/h: 3.1-42.7
Theoretical reverse speed, km/h: 3.0-41.6
Rear axle differential lock: Forced, splined coupling, engaged by lever from driver’s position
Minimum turning radius without brakes, m: 3.4
Minimum turning radius with brakes, m: 3.8
Nominal traction force, kN: 9.2
Overall dimensions (L×W×H), mm: 3350×1550×2350
Operating weight, kg: 1740
Front tire size: 7.50–20
Rear tire size: 11.2–28
Wheelbase, mm: 1815
Front track, mm: 1200
Rear track, mm: 1400
Agrotechnical clearance, mm: 550
Ground clearance, mm: 420
Additional front/rear weights, (qty × kg): 6×11/2×2×25
Rear hitch system: Universal, 3-point
Hydraulic lift drive: Two-cylinder, two-way, with built-in safety valve
Maximum hitch load capacity, kg: 600
Towing device: Quick-release with fixation
PTO speeds, rpm: 540-1000
Hydraulic oil tank capacity, L: 18
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