9GS-5.0 Trailed Twin-Blade Mower — Dual Reciprocating Cutter for Large-Scale Hay Harvesting
This heavy-duty trailed Twin-Blade Mower features dual reciprocating cutterbars with 5.0m or 5.6m cutting width. Powered by 30–50 hp tractors, hydraulic lift, GB/T10940-2008 certified. Covers 2.5–4.5 ha/h at 5–8 km/h. Ideal for commercial hay, alfalfa, and large-scale grassland operations. Single operator.
Model: 9GS-5.0 / 9GL-5.0 | Standard: GB/T10940-2008 | Certificate: Agricultural Machinery Certification Issued
What Is the 9GS-5.0 Twin-Blade Mower & How Does It Work?
The 9GS-5.0 trailed twin blade mower is a tractor-pulled, dual reciprocating cutterbar machine built for commercial hay and pasture harvesting. Powered by any 20–35 kW (30–50 hp) wheeled tractor via a standard clevis hitch, it requires no dedicated drive unit — your existing tractor does the work, and a single operator completes the full cutting cycle.
Two independent reciprocating cutter bars operate in parallel, each driven by an offset crank-connecting-rod mechanism that converts rotational PTO power into rapid back-and-forth blade motion at up to 1,450 strokes/min. This twin blade lawn mower design delivers a combined cutting width of 5.0 m (9GS-5.0) or 5.6 m (9GS-5.6), letting you cover substantially more ground per pass compared to single-bar alternatives. The hydraulic lifting system raises or lowers both cutterbars simultaneously — no manual adjustment mid-field.
The machine complies with national standard GB/T10940-2008 (Reciprocating Mower) and holds an official Agricultural Machinery Trial & Identification Certificate, confirming verified field performance and build quality. It is rated for natural grassland and planted forage crops on level to gently sloping terrain. It is not suitable for paddy fields, wetlands, rocky ground, or dense forest undergrowth.
Model Specifications of 9GS-5.0 Trailed Twin-Blade Mower
| Parameter | 9GS-5.0 | 9GS-5.6 (9GL-5.6) |
|---|---|---|
| Cutting Width | 5.0 m | 5.6 m |
| Number of Cutter Bars | 2 (Twin / Dual) | 2 (Twin / Dual) |
| Required Tractor Power | 20–35 kW (30–50 hp) | 20–35 kW (30–50 hp) |
| Hitch Type | Trailed (Tow-Behind) | Trailed (Tow-Behind) |
| Cutter Lift System | Hydraulic | Hydraulic |
| Drive Mechanism | Reciprocating (Offset Crank) | Reciprocating (Offset Crank) |
| Applicable Grass Types | Natural & Planted Forage | Natural & Planted Forage |
| Operators Required | 1 (Tractor Driver) | 1 (Tractor Driver) |
| Compliance Standard | GB/T10940-2008 | GB/T10940-2008 |
| Certification | Agricultural Machinery Trial & ID Certificate | Agricultural Machinery Trial & ID Certificate |
9GS-5.0 Trailed Twin-Blade Mower Product Detail Gallery
Key Features of the 9GS-5.0 Trailed Twin-Blade Grass Mower
Dual Reciprocating Cutterbars — 5.0 m or 5.6 m in a Single Pass
Two independent cutter bars run side by side, covering 5.0 m (or 5.6 m) with each forward pass. At a working speed of 5–8 km/h, that translates to roughly 2.5–4.5 ha per hour — far ahead of single-bar machines that typically cover 1.5–2.5 ha/h in comparable conditions.
Hydraulic Cutterbar Lift — No Manual Adjustment Required
Both cutterbars raise and lower through the tractor's hydraulic circuit. The driver lifts the bars at headlands and resets cutting height from the cab seat, saving several minutes per hour compared to mechanical screw-adjustment systems.
Low Power Demand — Pairs with 30–50 hp Tractors
Matching power starts at just 20 kW (30 hp), so mid-size wheeled tractors already on-farm can run this Trailed Twin-Blade Grass Mower without any upgrade. This keeps total equipment investment and fuel costs low.
Single-Operator Design — No Extra Labor Needed
The tractor driver manages the entire mowing process alone. All controls — PTO engagement, hydraulic lift, forward speed — are handled from the cab, reducing per-hectare labor cost on large ranches and commercial forage operations.
Robust, Certified Build — GB/T10940-2008 Compliant
Every unit meets Chinese national standard GB/T10940-2008 for reciprocating mowers and carries an official Agricultural Machinery Trial & Identification Certificate — a verified durability and safety benchmark that many imported mowers at this price point don't carry.
Replacement Parts for 9GS Series Available — Minimizing Downtime
A full range of replacement parts for 9GS series double action mowers is stocked, including cutter blades, blade guards, drive shafts, and crank pins. This keeps field downtime under 2 hours for most common wear repairs.
Where the 9GS-5.0 Twin Blade Lawn Mower Performs Best
This machine is purpose-built for productive, open grassland environments. Below are the specific applications where it delivers consistent results:
- Large-scale hay farms (50–500+ ha): Wide 5.0 m cut width maximizes daily coverage, reducing the harvest window for high-moisture first-cut alfalfa and ryegrass.
- Natural prairie and steppe grasslands: Handles thick, uneven natural grass stands that clog narrower single-bar mowers. The heavy-duty twin blade mower for large-scale farming maintains consistent cut quality even in dense swards.
- Planted forage fields (alfalfa, clover, Sudan grass): Reciprocating blades make clean cuts at stem level without bruising, preserving DM quality and regrowth potential.
- Ranch and livestock operations: Pairs directly into a full hay production chain — see the Recommended Companion Equipment section below.
- Contract mowing services: Low power requirement and trailed design allow one tractor to service multiple client plots without specialized equipment transport.
Not suitable for: Paddy/rice fields, wetlands, steep rocky slopes, dense brush, or ground with frequent embedded stones or tree stumps.
How to Maintain a Reciprocating Twin Blade Agricultural Mower
Consistent maintenance extends blade life and keeps downtime under 3% of seasonal operating hours. Follow this schedule:
After Every Use
- Remove grass clippings and soil from the cutterbar channel and knife sections using a stiff brush — wet debris left overnight accelerates corrosion on the blade guards.
- Check each blade section for chips or bent tips. Replace any blade showing more than 3 mm wear or visible cracking before the next run.
- Inspect the PTO driveshaft universal joints and safety guards. Tighten any loose retaining bolts.
Every 50 Operating Hours
- Grease all nipples on the crank-connecting-rod bearing housings (typically 4–6 points per cutterbar) with NLGI #2 lithium-based grease.
- Check blade-to-guard clearance: target 0.1–0.3 mm. Adjust the hold-down clips if the gap exceeds 0.5 mm to prevent blade flutter and rough cuts.
- Inspect the hydraulic hose connections for seepage. Torque the fittings to spec if weeping is observed.
End-of-Season Storage
- Sharpen or replace all blade sections. A complete blade set for the 9GS series costs a fraction of a full cutterbar — use genuine replacement parts for 9GS series double action mowers to ensure correct metallurgy.
- Apply a light coat of anti-rust oil to all unpainted metal surfaces (blades, blade guards, crank arms).
- Store the machine under cover, raised on wooden blocks so tires are off the ground, and fully retract the hydraulic rams to protect the cylinder rods.
Why Choose Our Twin Blade Mower Line
There are dozens of trailed mowers on the market. Here is what separates the 9GS-5.0 Trailed Twin-Blade Mower from the crowd — in plain numbers, not empty claims:
We back every unit with direct technical support, stocked replacement parts for 9GS series double action mowers, and export documentation for international buyers. Our machines ship with full assembly instructions in English and can be serviced by any qualified agricultural mechanic using standard tooling.
Frequently Asked Questions — Twin-Blade Mower
Q1: Is the 9GS-5.0 Trailed Twin-Blade Mowera heavy duty trailed twin blade mower for large scale farming?
Yes. With a 5.0 m dual-bar cutting width, hydraulic lift, and GB/T10940-2008 certification, it is built for commercial-scale forage operations. At 5–8 km/h working speed, one unit covers 2.5–4.5 ha/h. It pairs with 30–50 hp tractors, making it cost-effective for farms of 50 ha and above.
Q2: What is the difference between the 9GS-5.0 and 9GS-5.6 (9GL-5.6) Trailed Twin-Blade Mower models?
The primary difference is cutting width: 5.0 m vs 5.6 m. Both models share the same power requirement (20–35 kW), twin reciprocating cutterbar design, hydraulic lift, and compliance standard. The 5.6 m model suits larger open fields where headland turns are infrequent.
Q3: Can I get replacement parts for the 9GS series double action mower blades?
Yes. We carry a full inventory of replacement parts for 9GS series double action mowers: cutter blades, blade guards, hold-down clips, drive pins, crank bearing housings, and PTO driveshaft components. Most standard blade sections and guards ship within 3–5 business days internationally.
Q4: Does a twin blade lawn mower cut better than a single-bar reciprocating mower?
For high-volume field work, yes — throughput roughly doubles over a single 2.5 m bar machine. Reciprocating twin blade design also produces a cleaner stem cut than rotary disc mowers in dense, lodged swards, reducing drying time by leaving a more uniform swath.
Q5: What ground conditions are NOT suitable for the 9GL-5.0 / 9GS-5.0?
This Trailed Twin-Blade Grass Mower should not be used in paddy fields, swamps, wetlands, heavily stoned ground, or areas with dense tree stumps. Rocky or irregular soil surface contact can cause rapid blade damage and risks cutter mechanism failure.
What Our Customers Say-About Trailed Twin-Blade Mower
"We run this on 320 ha of alfalfa in Inner Mongolia. Three seasons in, the cutterbars are on their second blade set and the hydraulic circuit hasn't been touched. At this cutting width and power demand, the operating cost per hectare beats every disc mower we trialed. Genuinely solid machine."
— Zhang W., Commercial Forage Farm, Inner Mongolia
"My old single-bar mower and I had a long, unhappy relationship. This twin blade mower ended the whole affair. It covers our 200-acre pasture in the time it used to take just to argue with the old rig about starting. My cows approve of the faster turnaround, and frankly so does my back."
— Mike R., Ranch Operator, Montana, USA
Recommended Companion Equipment — Complete Your Hay Production Chain
The 9GS-5.0 twin blade mower is step one of a five-stage hay production workflow. Each piece of equipment below picks up directly where the mower finishes — here's how they connect and why each pairing makes operational sense:
Mower (Twin Blade Mower — 9GS-5.0 / 9GS-5.6)
Cuts standing grass and deposits it as a wide, loose swath across the field. The 5.0 m cutting width creates swaths that are wide enough to feed a Tedder at maximum efficiency without double-passing.
Run 4–8 hours after mowing. The Tedder fluffs and spreads the mowed swath, increasing air exposure and cutting average drying time from 3–4 days down to 1.5–2 days in good conditions. Skipping this step is the most common reason for mold loss in thick swards.
Hay Rake (Hay Rake Series)
Once dry, the Hay Rake gathers the spread material into tight, uniform windrows exactly the right width for the Round Baler pickup. Using a rake matched to the mower's swath width means zero material is left behind and baler feed rate stays consistent — directly improving bale density and reducing wrapping costs.
Round Baler (Round Baler Series)
Picks up the raked windrow and compresses the dry hay into 0.9–1.5 m diameter cylindrical bales in under 60 seconds per bale at rated speed. Round bales are weather-resistant when left in-field, making them the practical storage format for large-scale commercial hay production.
Bale Wrapper / Handler (Wrapper / Handler Series)
For silage production or long-distance transport, the Wrapper applies stretch film around each round bale within minutes of ejection, creating an anaerobic environment that preserves nutritional value for 12–18 months. The Handler moves and stacks finished bales without a front-loader, reducing tractor changeovers and field time.
Ready to Cut More Ground in Less Time?
Get a direct quote on the 9GS-5.0 trailed twin blade mower — including shipping, documentation, and spares packages for your region. Our team responds within 24 business hours.
Questions about compatibility with your tractor? Include your tractor model in the inquiry form and we'll confirm fitment before quoting.
Explore Our Other Agricultural Equipment Series
The 9GS twin blade mower is part of a broader lineup of field-proven implements. Whether you need a full hay production chain, tillage equipment, or soil preparation tools, we have matching machinery:
Mower Series
Single-bar mounted, trailed dual-bar, and combo mow-rake models
Hay Rake Series
Side-delivery rakes matched to 2.1 m – 5.6 m swath widths
Round Baler Series
Fixed and variable chamber balers for dry hay and silage crops
3–5 furrow hydraulic flip plows for primary tillage on all soil types
Disc Harrow Series
Offset and tandem disc harrows for stubble incorporation and seedbed prep
Rotary Tiller Series
PTO-driven tillers from 1.0 m to 3.2 m for row crop and vegetable growers
Buying a full hay chain? Ask about bundle pricing when ordering a Mower + Hay Rake + Round Baler together.
Contact us today →
9GS-5.0 | 9GL-5.0 | Twin Blade Mower | Trailed Twin-Blade Grass Mower | GB/T10940-2008
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