Used Baler Buying Guide: Horizontal & Vertical Balers
By Meadoworks | April 2026 | 11 min read
Key Takeaways
- Vertical balers for backrooms and warehouses; horizontal balers for MRFs and continuous production
- Single-ram horizontals for paper and OCC; two-ram horizontals for plastics, metals, and mixed streams
- Top brands: International Baler, Marathon, Maren, Excel, IPS, and Harris
- Used pricing: verticals $2k-$15k; mid-size horizontals $80k-$250k; production two-rams $750k+
- Critical inspection: hydraulic cylinder, wear liners, auto-tie mechanism, and structural frame
A baler is the workhorse of any recycling, MRF, or distribution center operation — turning loose paper, cardboard, plastic, and metals into dense, mill-spec bales that ship efficiently and command top scrap prices. Choosing the right baler involves more than horsepower: bale dimensions, tie geometry, cycle time, and material handling all affect throughput and resale value of finished bales. This guide explains the major baler types, profiles the leading International Baler, Marathon, and Maren machines on the used market, and walks through the inspection points that distinguish a sound used buy from a hidden money pit.
Three Baler Architectures
Vertical Baler
Front-loaded with a downstroke hydraulic ram. Manual tie-off after each cycle. Compact footprint for backrooms and small operations.
Best for: Retail, warehouses, distribution centers, small recyclers — under 1,000 lb/hr of OCC, paper, or film.
Horizontal Single-Ram
Top-loaded (often by conveyor) with one hydraulic ram compressing material lengthwise. Continuous operation with auto-tie option.
Best for: Mid-volume MRFs, distribution centers, paper mills — 5-30 tons/hr of consistent material like OCC, mixed paper, or PET.
Horizontal Two-Ram
Two perpendicular rams: one compresses, one ejects. Bale dimensions controlled independently of compression for mill-grade uniformity.
Best for: Large MRFs, plastics recyclers, non-ferrous metals — 30-60+ tons/hr where bale density and shape matter for shipping.
Single-Ram vs Two-Ram: Side-by-Side
| Factor | Single-Ram | Two-Ram |
|---|---|---|
| Mechanical Complexity | Simple (one ram, one cylinder) | Complex (two rams, sequenced controls) |
| Bale Uniformity | Variable bale length | Consistent dimensions every cycle |
| Best Material | OCC, paper, single-stream | Plastics, UBC, mixed material |
| Throughput | 5-30 tons/hr typical | 30-60+ tons/hr typical |
| Capital Cost | Lower | 2-3x higher for equivalent throughput |
| Mill Acceptance | Good for paper mills | Required by many plastics & metals mills |
Key Features to Compare
Auto-Tie vs Manual-Tie
Auto-tie balers wrap bales with wire automatically — typically 5 or 6 wires per bale — and are essential for high-throughput operations. Manual-tie balers require operator intervention each cycle and limit production to 5-10 bales/hr.
Cycle Time
Single-ram cycle time: 25-50 seconds. Two-ram cycle time: 15-30 seconds. Faster cycles = higher throughput. Hydraulic system pressure (typically 2,000-3,000 psi) drives both compression force and cycle speed.
Bale Dimensions & Density
Standard mill bale: 30" × 60" × 30-72" length. Bale density (lb/ft³) determines whether your bale meets mill requirements — undersize bales pay less or get rejected. OCC mill spec: 18-22 lb/ft³.
Charge Box & Conveyor
Charge box is the bin where material accumulates before each compression cycle. Pre-shred or hammer-mill conveyors increase throughput on bulky material. Floor conveyors bridge from sorting line to the baler.
Top Baler Brands on the Used Market
International Baler
Models: Closed-end, open-end, 2-ram, downstroke, vertical balers
American manufacturer based in Florida with deep range from small vertical balers to large two-ram MRF balers. Known for value, parts availability, and ease of service. Strong installed base in MRFs and U.S. recyclers.
Marathon Equipment
Models: RJ-100, V-IPS, Magnum, RAM-PAC
Tennessee-based builder owned by Dover. Strong in retail vertical balers, self-contained compactors, and stationary horizontal balers. Excellent dealer network and parts support across North America.
Maren Engineering
Models: MV-1000, ME-2000, ProLine, two-ram
Illinois-based manufacturer specializing in plastic film, paper, and OCC balers. Known for heavy-duty construction in plastics processing and distribution centers.
Excel Manufacturing
Models: EX-60, EX-100, EX-200, two-ram production balers
Wisconsin-based builder of high-capacity horizontal balers. Strong fit for high-volume MRFs and paper recyclers requiring 24/7 production. Excellent reputation for build quality.
IPS Balers
Models: Closed-end horizontal, two-ram, vertical balers
Georgia-based manufacturer of horizontal and vertical balers across capacity ranges. Known for value pricing and straightforward designs that are easy to service in-house.
Harris Equipment
Models: Centurion, Gorilla, Selectus auto-tie series
American builder of high-end two-ram balers for MRFs and metals processors. Centurion series is among the highest-throughput auto-tie balers on the market. Premium price reflects premium output and uptime.
Used Baler Pricing
| Type | Capacity | Price Range |
|---|---|---|
| Vertical baler (60-72" tall) | Under 1,000 lb/hr | $2,000 – $15,000 |
| Small downstroke / mill-size horizontal | 5-15 tons/hr | $25,000 – $90,000 |
| Mid-size single-ram horizontal | 15-30 tons/hr | $80,000 – $250,000 |
| Large single-ram auto-tie | 25-45 tons/hr | $150,000 – $400,000 |
| Two-ram MRF/plastics baler | 30-60+ tons/hr | $200,000 – $750,000+ |
| Logger/four-wire auto-tie premium | 40-70 tons/hr | $350,000 – $850,000+ |
Size for Peak Throughput, Not Average
An undersized baler is the most common buyer regret — it becomes the bottleneck of the entire operation. If your sorting line peaks at 25 tons/hr, don't buy a baler rated for 20. Add 25-35% headroom for tougher materials, fluctuations, and growth. The cost difference between a 25 tph and 35 tph baler is small compared to the lost productivity of being capped on output.
What to Inspect on a Used Baler
Hydraulic System & Cylinder
Inspect main cylinder for leaks, scoring on the rod, or seal weeps. Check hydraulic oil for color, contamination, and odor (burnt oil indicates overheating). Replacement main cylinders run $15,000-$60,000+ depending on baler size.
Ram & Wear Liners
Pull the ram if possible and inspect face wear, side gibs, and chamber wear liners. Worn liners reduce bale density and damage the ram. Liner replacement is a routine maintenance item but can run $3,000-$20,000.
Auto-Tie Mechanism
Test through 10+ tie cycles and verify all wire feeds, twists, and cuts cleanly. Tier replacements run $5,000-$25,000 per station. Sticky or misadjusted tiers cause baling-wire jams that shut down production.
Conveyor & Charging System
Inspect feed conveyor belt, drive motor, and any pre-conditioning equipment (perforators, hammer mills). Belt replacements are routine; conveyor frame cracks indicate hard service or undersizing.
Controls & Photo Eyes
Verify PLC operation, HMI screen, photo-eye sensors at the charging chamber, and safety interlocks (E-stops, gate switches). Older controls (pre-2010) may need PLC retrofit before parts become unavailable.
Structural Frame
Inspect the press frame for cracks at high-stress points, especially around the cylinder mount and tie-rod connections. Frame cracks are catastrophic and rarely worth repairing on used machines.
Frequently Asked Questions
What is the difference between a horizontal and vertical baler?
A vertical baler is loaded from the front, with a hydraulic ram that compresses material downward into a chamber. Bales are tied off and removed manually after each cycle. Vertical balers are inexpensive, take little floor space, and are perfect for retail backrooms, warehouses, and small recyclers handling under 1,000 lb/hr of material. A horizontal baler is fed from above (often by conveyor) into a horizontal chamber, with the ram pushing material lengthwise. Horizontal balers run continuously, produce mill-size bales, and handle thousands of pounds per hour. They're the standard for MRFs, distribution centers, and high-volume recyclers.
What is the difference between a single-ram and two-ram baler?
A single-ram horizontal baler uses one hydraulic ram to compress material lengthwise into a chamber where bales are tied off and ejected through the end. Single-ram balers are mechanically simpler, lower cost, and well-suited to consistent material like cardboard or paper. A two-ram baler uses one ram for compression and a perpendicular second ram for bale ejection — allowing the bale to be sized independently of compression and producing more uniform, mill-grade bales. Two-ram balers excel at non-ferrous metals, plastics, and mixed material streams where bale density and shape matter for mill acceptance.
How much does a used baler cost?
Used baler pricing varies dramatically by capacity. Vertical balers run $2,000 to $15,000 used. Small downstroke or mill-size single-ram horizontal balers (40-80 hp, 5-15 tons/hr) range from $25,000 to $90,000. Mid-size single-ram horizontals (100-150 hp, 15-30 tons/hr) run $80,000 to $250,000. Large two-ram production balers (150-250+ hp, 30-60+ tons/hr) range from $200,000 to $750,000+. Auto-tie balers command a premium over manual-tie. Conveyor systems, perforator add-ons, and PLC controls all affect pricing.
What materials can a baler process?
Balers densify a wide range of materials: corrugated cardboard (OCC), mixed paper, newsprint, plastic film and bags, PET bottles, HDPE bottles, mixed plastics, aluminum cans (UBC), tin cans, textiles, foam, and wood waste. Material type affects baler selection — soft materials like plastic film need stronger compression and may benefit from two-ram designs; springy materials like UBC need fast cycle times to prevent expansion before tying. Always discuss your specific material with the manufacturer to confirm a baler is rated for your stream.
What baler size do I need?
Baler sizing depends on three factors: material type, throughput rate (tons per hour), and target bale density. Vertical balers handle under 1,000 lb/hr and produce 500-1,500 lb bales. Small horizontals handle 5-15 tons/hr with 800-1,500 lb bales. Mid-size horizontals handle 15-30 tons/hr with 1,200-1,800 lb bales. Large two-ram production balers handle 30-60+ tons/hr with 1,500-2,200 lb mill-density bales. Always size for peak throughput, not average — and consider planned future growth.
Buying or Selling a Used Baler?
Meadoworks regularly sources used balers from MRFs, paper plants, and distribution centers. Whether you need a small vertical for a warehouse or a complete two-ram production line, our team can help.
Browse recycling equipment or contact our team. Call 800-323-0307.
