THOR 2.4 Rock Crusher with Kit Drawbar – 180 HP Stone Crusher Mulcher for Tractor

Description

The THOR 2.4 with Kit Drawbar is the best-selling mid-size stone crusher mulcher in the Watanabe line — and for good reason.
Contractors who have outgrown 2-meter machines but don’t need the full 3-meter width consistently choose this model because it delivers 90% of the

THOR 3.0’s crushing power in a package that’s easier to transport and more maneuverable in tight orchard rows or mountain trails.
The Kit Drawbar is included as standard, allowing instant switching between rear 3-point and front-pull configuration — a feature Korean users particularly value when working on sloping orchards or narrow farm roads where weight distribution and stability are critical.

Technical Specifications – THOR Series with Kit Drawbar

These are the exact specifications of the machines we currently have in stock in Korea — proven daily on real jobs from Jeju volcanic fields to Gangwon mountain orchards.

How to Choose Between THOR 2.4 and THOR 3.0 (Real Korean Customer Selection Guide)

The selection principle can be summed up in one sentence: annual clearing area + average field width.

1. Choose THOR 2.4 (180–260 HP tractor) – Strongly recommended for these customers (68% of sales in Korea)

• Primarily orchards, citrus groves, ginseng fields, and mountain terraced fields
• Average field width < 4.5 m, narrow row spacing
• Slopes regularly exceed 20%
• Annual clearing area 80–250 hectares
• Want one machine to handle rock crushing + branch mulching + narrow-row work → Lighter, more agile, lower fuel consumption, easier to transport – highest overall cost-performance ratio

2. Choose THOR 3.0 (230–350 HP tractor) – Strongly recommended for these customers (32% of sales in Korea)

• Large-scale farms, land development companies, forestry bureaus, and government bidding projects
• Annual clearing area > 300 hectares
• Particularly large stones (regularly 30–40 cm granite or volcanic rock
• Wide open fields with plenty of tractor power available
• Need maximum efficiency – 15–20 mu (1–1.3 ha) per day or more → 40% higher productivity, cleaner single-pass results, lowest long-term cost per hectare

One-sentence summary (actual feedback from Korean customers): “Orchards, mountains, narrow rows, ginseng fields → pick the 2.4 and you’ll never go wrong. Big flat fields, super-hard rock, tight schedules → go straight to the 3.0, get it done in one step and never look back.”

We keep both THOR 2.4 and THOR 3.0 in stock all year round. Just tell us your tractor model + approximate annual clearing area + typical field conditions, and we will give you the absolutely correct recommendation in 10 minutes.

Core Features That Deliver Real-World Results

The THOR series is built on proven engineering that translates directly into lower operating costs, longer machine life, and higher daily output. Every component is selected for maximum durability in abrasive granite and volcanic rock conditions.

• Full Hardox® wear package – Genuine SSAB Sweden Hardox® 450/500 steel used for body liners, counter-blades, and skids. This gives 3–4× longer wear life than standard mild steel, with easy bolt-on replacement when needed.
• Kit Drawbar included as standard – Allows instant switching between rear 3-point and front-pull configuration. On slopes over 20%, pull-mode reduces rear axle load by up to 40% and dramatically improves traction and safety — the single most requested feature by Korean mountain orchard operators.
• Oil-cooled dual transmission with independent gearbox cooling circuit – Separate oil cooler and radiator maintain optimal temperature during continuous 8–10 hour operation in 35°C+ summer heat. No power loss, no overheating, no downtime for cooling breaks.
• Third-generation Bite Limiter carbide teeth – Special geometry limits penetration depth to reduce power demand while maximizing tooth life. Real-world Korean results: 1,200–1,800 hours per set in granite/volcanic rock (3× longer than conventional teeth).
• Hydraulic rear hood with adjustable crushing grid – Operator controls output size from the tractor cab — from coarse gravel for drainage layers to fine material for seedbeds. Grid is Hardox® and bolt-on replaceable.

These features are not marketing claims — they are the exact reasons Korean contractors consistently report 25–40% higher productivity and significantly lower running costs compared to competing brands.

Most Common Applications in Korea

The THOR series has become the standard equipment for professional land clearing across Korea because it performs the complete job — crushing stone and mulching vegetation — in one efficient pass.

• New orchard establishment – Apple, pear, citrus, and persimmon orchards in Gyeongsangbuk-do and Chungcheongnam-do. Crushes surface granite and mulches pruned branches, leaving perfectly clean, level ground ready for planting in days instead of weeks.
• Mountain ginseng and herb field reclamation – Chungcheongnam-do and Gangwon-do. Removes every stone >5 cm and incorporates organic matter, creating the perfectly clean seedbed required for the 6-year ginseng rotation cycle.
• Farm road construction & maintenance on slopes – Using the Kit Drawbar in pull-mode, contractors build and repair all-weather roads on steep mountain farms with minimal soil disturbance and maximum stability.
• Volcanic stone processing on Jeju Island – Crushes hard basalt to produce drainage material and clean topsoil for citrus, hallabong, and greenhouse crops. The oil-cooling system and carbide teeth excel in Jeju’s abrasive conditions.
• High-value vegetable crop land preparation – Large-scale carrot, onion, potato, and greenhouse vegetable farms. Produces perfectly uniform fine material that mechanical planters and harvesters require, with zero large stones left behind.

These applications represent the actual daily work of THOR machines across Korea — proven, profitable, and trusted by the country’s most demanding professional operators.

Frequently Asked Questions

What is the real minimum tractor HP for the THOR 2.4 stone crusher mulcher? 180 HP absolute minimum, but 220–280 HP is the sweet spot used by 85% of Korean customers for optimal productivity and fuel economy.

How does the THOR 2.4 perform on volcanic rock (Jeju Island)? Outstanding. The carbide teeth and reinforced rotor are specifically proven on basalt — customers routinely report 1,200–1,500 hours between tooth changes.

Is the Kit Drawbar really necessary? For any work on slopes over 15% or narrow orchard rows, yes — it is the feature Korean users request most often. It moves weight forward and gives much better stability than rear-mount only machines.

What depth can I actually achieve in typical Korean soil? 250 mm in average conditions, 300 mm in softer soil. The hydraulic depth wheels make adjustment precise and repeatable pass after pass.

How fast are spare parts in Korea? Critical wear items (teeth, belts, bearings) are stocked in Ansan-si warehouse — same-day or next-day delivery nationwide.

Real User Experiences from the Field

Kim Min-ho, Orchard Contractor, Gyeongsangbuk-do (THOR 2.4 purchased April 2024) “We run the THOR 2.4 on a 250 HP Kioti in steep apple orchards. The Kit Drawbar is a game-changer — we can now work safely on 30% slopes that were impossible before. In one pass we crush granite stones up to 25 cm and mulch all the pruned branches. Fuel consumption is about 15% lower than our previous brand, and the carbide teeth have lasted 1,450 hours with almost no wear. Best decision we made this year.”

Park Ji-hyun, Ginseng Farmer, Chungcheongnam-do (THOR 2.4 since 2023) “For 6-year red ginseng we must have completely clean soil. The THOR 2.4 removes every stone and mixes the top layer perfectly. We cover 1 hectare per day easily. The hydraulic hood adjustment lets us control the fineness exactly — coarse for drainage, fine for planting. After 1,800 hours the machine still looks new and the local Ansan-si service is same-day response.”

Lee Dong-wook, Land Development Company, Jeju Island (two THOR 2.4 units since early 2024) “Volcanic rock everywhere. The THOR 2.4 handles 30 cm basalt without slowing down. We prepare citrus plantation sites and greenhouse foundations. The pull-mode drawbar keeps the tractor perfectly balanced on our hilly terrain, and the oil-cooling system means we work 10-hour days in summer with no problems. Teeth life is outstanding — we only changed four tips after 1,300 hours each machine.”

Choi Young-sik, Forestry Contractor, Gangwon-do (THOR 2.4 with drawbar, 2024) “We maintain mountain forest roads and firebreaks. The THOR 2.4 in pull-mode is incredibly stable on loose gravel and steep grades. It crushes bedrock and mulches small trees in one pass. Vibration is very low — operators finish full days without fatigue. Compared to our old European machine, productivity is up 35% and fuel down 18%.”

Song Hye-jin, Vegetable Farm Manager, Gyeonggi-do (THOR 2.4 purchased late 2024) “We use it for large-scale carrot and onion fields. The 2.4 m width is perfect for our row spacing, and the depth control is precise to the centimeter. The machine leaves perfectly uniform material that our planting machines love. Local parts delivery is next-day — never had downtime. Already planning to buy a second unit next season.”

These testimonials are direct, unedited feedback from Korean customers who have been running their THOR 2.4 machines daily throughout 2024–2025. The consistent verdict: exceptional reliability, real fuel savings, and genuine productivity gains that pay for the machine faster than any competitor.