Looking for an affordable large injection molding machine that doesn’t compromise on quality or performance? Whether you're producing heavy-duty industrial parts, high-cavitation components, or large automotive/consumer goods, finding the right balance between cost and capability is critical. Many manufacturers struggle to source reliable large machines without overspending。
Please read our article recommending the 5 best large injection molding machine brands for 2025. Below are 5 mainstream global brands and their representative large injection molding machine models recommended for your need to purchase large injection molding machines. The key parameters, applicable scenarios, and recommendation reasons of each model are included. The information is based on publicly available and authoritative sources to ensure authenticity, providing you with reference for decision-making.
The following recommended criteria apply:
- Definition of "large injection molding machine": Generally refers to machines with a clamping force of ≥ 800 tons (in some scenarios, ≥ 1200 tons is considered extra-large), suitable for producing large plastic products such as automotive parts, household appliance casings, logistics pallets, and industrial components.
- Recommendation basis: Global market position of the brand, technical accumulation, maturity of the model, publicly available technical parameters, and customer application cases.
- Information sources: Brand official websites, technical manuals, industry media (such as Plastics Technology, Injection Molding Magazine), and third-party platforms (such as Oerlikon, China Plastics Machinery Industry Association, etc.).
Recommendation 1: ENGEL (e-victory)
Core Specifications & Features
| Item | Description / Technical Features |
|---|---|
| Machine Series | duo large injection molding machine (two-platen), e-duo hybrid |
| Clamping Force Range |
3,500 kN up to 55,000 kN (duo series) Hybrid e-duo up to ~11,500 kN |
| Machine Type / Structure | Two‑platen design |
| Drive / Power | Servo-hydraulic (duo) / Hybrid (e-duo) |
| Energy Efficiency | Ecodrive servo-hydraulics: Demand-based pump output, motor rests during cooling phases |
| Injection Speed | Up to 450 mm/s (e-duo) |
| Control / Digital Solutions |
iQ Clamp Control: Automatically determines optimal clamping force, reduces mold wear Digital inject AI program for production transparency (e‑duo) |
| Modular Injection Unit | Modular melt cylinder and nozzle concept enables fast changeover, less downtime |
| Dry Cycle Time | Short dry cycle time (duo speed) can reach ~1.9 – 2.9 s |
| Layout & Footprint | Compact, space-saving two‑platen design; modular concept for flexible machine layout |
| Maintenance / Downtime | Modular design reduces downtime for melt cylinder changes; nozzle concept reduces changeover complexity |
| Applications / Use Cases |
|
| Tie Bar / Mold Change | Extended tie-bar spacing (duo tech version) for faster mold changes and ergonomic access |
Recommendation Reasons:
- Wide Clamping Force Coverage: From medium-large parts to extra-large parts (3,500 kN–55,000 kN), flexible for various large-component needs.
- Energy-Efficient: Ecodrive servo-hydraulic or hybrid drive solutions with load-dependent adjustment reduce energy consumption.
- High Speed & High Precision (e-duo): Maximum injection speed up to 450 mm/s, suitable for long flow path or large surface parts.
- Digital / Intelligent Control: iQ Clamp Control automatically adjusts clamping force, reducing mold wear; inject AI enhances process transparency and stability.
- Modular Design: Injection unit and nozzle design easy to maintain and replace, reducing downtime.
- Compact Structure: Two-platen design + modular layout saves workshop space.
- Multiple Variants Available: duo combi, duo speed, e-duo, duo tech can be customized for different production needs.
- Wide Applications: Packaging, logistics, automotive, EV battery covers, recycled material parts, etc.
Recommendation 2: KraussMaffei MX Series (Hydraulic Two-Platen)
Core Specifications and Features
| Item | Description / Technical Features |
|---|---|
| Clamping Force Range | 13,000 – 60,000 kN |
| Clamping Structure | Hydraulic-mechanical two-platen (two-platen) |
| Hydraulic System | High-efficiency hydraulics with precision proportional valves |
| Energy-Saving Drive | Servo drive ("BluePower" energy efficiency) |
| Injection Unit | High-force injection unit with high-quality plasticizing system |
| Control System | smartControl MC6 |
| Process Control | APCplus (Adaptive Process Control) |
| Maintenance Design | Easy maintenance / modular design |
| Automation Compatibility | Seamless integration with standard automation systems |
| Multi-Component / Turntable Solutions | MX Multinject / MX SpinForm |
| Performance Advantages | High speed + high precision + heavy molds |
| Durability | Load-optimized design with long-life components |
| Cycle Time | Short dry cycle time |
Recommendation Reasons:
- High tonnage & precision: Suitable for very large molds while ensuring parallelism and product quality.
- Modular and flexible configuration: Different versions available based on production needs (multi-material, turntable, automation).
- Energy-saving & stable: Servo drive + efficient hydraulics ensure both low energy consumption and stable operation, suitable for long-cycle production.
- Easy maintenance & upgradable: Designed for accessibility and future expansion (robot integration, machine upgrades).
- Ideal for high-end / large-scale applications: Highly competitive for large structural parts (e.g., automotive components, large containers, engineering parts).
Recommendation 3: Sunbun SK‑850T Servo Injection Molding Machine
Core Specifications & Features
| Item | Description / Technical Features |
|---|---|
| Model | SK‑850T Servo Motor Injection Molding Machine |
| Locking Structure | Central mechanical locking |
| Tie‑bar Spacing | 1120 mm × 1030 mm |
| Open Stroke (Mold Open) | 1100 mm |
| Energy Saving | 20%–80% energy saving compared to conventional injection machines |
| Injection Unit – Screw Diameter Options | 90 / 100 / 110 / 120 mm |
| L/D Ratio Options | 24.4 / 22 / 20 / 17.5 |
| Theoretical Injection Volume | 3,194 / 3,943 / 4,771 / 5,677 cm³ (depending on screw size) |
| Injection Volume (PVC) | 2,907 / 3,588 / 4,341 / 5,166 g |
| Max Injection Flow Rate | 499 / 616 / 745 / 1,080 cm³/s (depending on screw) |
| Injection Pressure | 219 / 178 / 147 / 117 MPa (for different screw diameters) |
| Injection Stroke | 502 mm |
| Max Injection Speed | 86 mm/s |
| Max Screw Speed | 129 rpm |
| Clamping Force | 8,500 kN |
| Toggle Stroke | 1,100 mm |
| Max Mold Height | 1,100 mm |
| Min Mold Height | 450 mm |
| Ejector Stroke | 270 mm |
| Ejector Force (Forward / Backward) | 166 kN forward / 113 kN backward |
| Number of Ejector Pins | 1 + 20 pieces |
| System Pressure | 16 MPa |
| Motor Power | 45 kW + 37 kW |
| Heater Power | 50.1 kW |
| Temperature Control Zones | 1 + 5 zones |
| Bailer Capacity | 100 kg |
| Oil Tank Capacity | 1,200 L |
| Machine Dimensions (L×W×H) | 10.0 × 2.7 × 3.0 m |
| Machine Weight | 38 tons |
Recommendation Reasons:
- Enhanced dual‑cylinder, dual‑extrusion injection structure reduces back pressure during ejection, enabling faster injection speed and longer service life.
- Balanced dual displacement support and dual linear guides improve barrel accuracy.
- Precision screw design dramatically improves injection accuracy and reduces defect rate.
- Optional imported pneumatic nozzle with flexible switching and reliable sealing.
- Thicker-walled barrel and high-power heater ensure high plasticizing efficiency
- High-speed storage motor and hydraulic components ensure fast, efficient, long-life operation.
- Modular hydraulic circuit and valve plate design reduce pressure loss, accelerate system response.
- German original oil pipes and seals help prevent oil leaks.
- Modern electronic control system with EtherCAT / CAN communication, fast CPU, intelligent UI, and energy consumption display.
- Large tie-bar spacing and outward toggle design fit large molds and multi-cavity applications.
- Super large open stroke (10%–20% greater than typical), ideal for deep-cavity products.
- Durable mold plate (QT500-7) for extended use; gear-adjusting ring allows precise mold thickness adjustment.
Recommendation 4: Sumitomo (SHI) Demag Systec Series
Core Specifications & Features
| Item | Description / Technical Features | Source / Notes |
|---|---|---|
| Machine Series | Systec – Hydraulic Toggle Injection Molding Machines | Sumitomo SHI Demag Systec Series page |
| Clamping Force Range | Models from 551 to 1686 U.S. tons (≈ 5,000 to 15,000 kN) | Manufacturer specification |
| Drive / Power | Servo-hydraulic drive (servomotor drive) | Highly efficient servohydraulic standard on Systec. |
| Toggle Technology | Proven toggle kinematics for platen parallelism and high dynamics | Systec uses toggle mechanism to ensure homogeneous force transmission and high precision. |
| Hydraulics & Valve Technology | Intelligent single-circuit hydraulics enabling parallel axis movement | Linear guidance + single hydraulic circuit for efficiency and stability. |
| Pump & Energy Efficiency | Highly dynamic DFEE pumps, activeDrive system, long oil service life (25,000 hours) | DFEE pumps reduce energy consumption; oil-bypass cooling and filtration extends service life. |
| Platen Guidance | High-precision linear platen guidance | Improves precision, supports heavy molds, reduces cycle times. |
| Mold Protection | Sensitive mold protection system across full open/close path | Detects deviations without increasing cycle time. |
| Sensors | Non-contact ultrasonic sensors on all motion axes | Provides precise, maintenance‑friendly feedback. |
| Control System | NC5 PC-based control: networking, remote access, USB storage | Powerful control, user-friendly and modern. |
| Machine Variants | Modular injection units, optional electric screw drive, accumulator-assisted injection | Flexible configuration for different injection demands. |
| Maintenance & Durability | Rugged design, long oil life, high mold weight capacity | Robust build for industrial use and long life. |
| Applications / Use Cases |
|
Versatile machine for many production needs. |
Recommendation Reasons:
- Reliability & Ruggedness: Toggle technology + strong build make it ideal for long-term, heavy-duty use.
- Energy Efficiency: Dynamic DFEE pumps + activeDrive system reduce power consumption and extend hydraulic fluid life.
- Precision & Stability: Linear platen guidance and intelligent valve control improve mold parallelism and reduce wear.
- Flexible Configuration: Injection units can be customized (electric screw, accumulator) to suit different material or cycle needs.
- Long Service Interval: Oil circuit designed for up to 25,000 hours before servicing.
- Strong Control System: PC‑based NC5 control enables modern data handling, remote access, and USB program storage.
- Wide Application Range: Suitable for large molds, multi-component molding, and applications demanding high precision.
Recommendation 5: JSW Large‑Size Electric Servo Injection Molding Machines
Core Specifications & Features
| Item | Description / Technical Features |
|---|---|
| Machine Series | Large‑Size Electric Servo Drive (J‑ADS series) |
| Clamping Force Range | 550 to 3,000 metric tonnes |
| High‑Cycle Performance (“AD Speed”) | Original high-speed toggle mechanism reduces dry cycle time by about 16% compared to conventional models |
| Robust / Long-Life Design (“AD Strong”) | Long‑life screw is standard, designed to prevent wear and resin burning; high plasticizing and kneading capacity |
| Precision & Stability (“AD Stable”) | Mold clamping force feedback, new mold protection function, and weighing stability control for high quality |
| Intelligent Control (“AD Smart”) |
|
| Energy Efficiency | Servo / electric drive helps reduce energy consumption and supports long-term efficiency |
| Long Life / Durability | Stable drive design + reinforced mechanical components for large mould and long production life |
| Applications / Use Cases |
|
Recommendation Reasons:
- Top-tier Clamping Force: With a range up to 3,000 tonnes, these machines support very large molds and heavy-duty production.
- High Cycle Efficiency: The evolved toggle mechanism shortens dry cycle time significantly, boosting productivity.
- Durability: Built with long-life screws and robust structure to withstand continuous large-part production.
- Quality Stability: Real-time clamping force feedback and advanced mold protection ensure product quality.
- Smart Control & Connectivity: SYSCOM 5000i controller + J‑Support + J‑Assist + J‑WiSe® IoT features help maintain high uptime and connected production.
- Energy Saving: Electric servo drive reduces power usage compared with traditional hydraulic presses.
- Versatile Use Cases: Ideal for large structural parts, precision components, and high-volume production.
Do You Need an Affordable Large Injection Molding Machine?
Look no further than Sunbun—your trusted Chinese injection molding machine manufacturer. We offer high-performance large machines at competitive prices, combining robust build, precision control, and energy efficiency to meet diverse production needs. Backed by years of expertise and reliable after-sales support, Sunbun ensures you get the best value without compromising quality. Choose Sunbun for durable, cost-effective solutions that power your business growth. Contact us today and let our experts tailor the perfect large injection molding machine for you!