Description
Stocked for dispatch — Qt4-25 units are pre-built with confirmed pallet size, PLC language, and stacking layout so the machine you order is the machine that loads into the container.
Technical Specifications
| Parameter | Value |
|---|---|
| Model | Qt4-25 |
| Product Type | Automatic Concrete Block Making Machine |
| Rated Power | 16.58 kW |
| Control System | PLC (fully automatic) |
| Vibration System | Vibration motor with large vibration box |
| Molding Cycle | 25 seconds |
| Output Capacity | 4600 pcs/8hours (basis not stated in source — confirm block format, material, thickness) |
| Pallet Size | 850 × 480 mm |
| Overall Dimensions | 6400 × 1500 × 2700 mm |
| Net Weight | 5000 kg |
| Voltage | Configurable to buyer’s local standard (exact value to be confirmed) |
| Motor Brand | Siemens motor |
| Frame | Thickened steel |
| Block Formats | Hollow blocks, solid blocks, paver stone bricks |
| Automation Level | Fully automatic — pallet feeding, material feeding and scraping, block stacking |
| Raw Materials | Concrete, sand, cement, fly ash, crushed stone, lime, water |
| Warranty | One year with free parts supply |
Application Suitability
| Application | Material or Output |
|---|---|
| Hollow block production for housing developments | Concrete, sand, cement, fly ash, crushed stone |
| Solid brick manufacturing for local building supply | Cement, sand, lime, water |
| Paver stone brick production for landscaping projects | Concrete with crushed stone aggregate |
| On-site block making for construction contractors | Local aggregate mixed with cement and sand |
| Medium-scale block factory startup operations | Multiple raw material blends depending on local availability |
What "Ready to Ship" Actually Means When You Are on a Deadline
A stocked machine only solves half the problem — the other half is voltage, language, and container fit confirmed before the truck leaves the yard.
I have watched a fully paid automatic block machine in stock sit at destination port for weeks because the PLC screen was in a language the local crew could not read and the motor was wired for a frequency the site transformer could not supply. The dispatch lead time was fast, but commissioning never happened on schedule. The buyer missed their project milestone, and the contractor had to source blocks from a competitor at a premium [NEED_CITE: common causes of commissioning delays in exported concrete machinery].
How Stocked Inventory Shortens Your Project Timeline
When a contractor has a fixed completion date on a housing or commercial development, every week of machine lead time is a week of block supply that must come from somewhere else at a higher cost. Having the Qt4-25 available as an automatic block machine in stock means the gap between order confirmation and container loading shrinks to the time needed for final electrical checks and packing rather than a full production run. Dispatch lead time is quoted at the inquiry stage so the buyer can plan backwards from their project start date.
What Gets Verified Before the Container Door Seals
The shipping preparation goes beyond crating the press. Voltage and frequency are matched to the buyer’s local grid and documented in writing. PLC display language is set and tested. The machine is dismantled into container-fit sections with a loading plan that accounts for the pallet rack, mould set, and handling equipment sharing the same box. Packing photographs are sent before dispatch so the buyer can prepare the receiving site and local customs broker [NEED_CITE: export machinery documentation standards for Southeast Asian and African ports].
Reading the Spec Sheet Against Your Actual Site Conditions
The Qt4-25 runs a 25-second molding cycle driven by a vibration motor housed in a large vibration box rather than hydraulic pressure, which affects how the machine handles different mix consistencies. A dry mix with coarse crushed stone transfers vibration energy differently than a wetter fly ash blend, and the block density will vary accordingly. The 850 × 480 mm pallet size is a fixed dimension that determines your curing rack spacing and forklift tine width — if your existing yard uses a different pallet footprint, the curing area must be reconfigured before the machine arrives. The 16.58 kW rated power demand means the site transformer and dedicated circuit must be in place and tested before uncrating begins. Siemens motors are specified for the main drive, which matters for local service availability when replacement bearings or windings are needed down the line.
The Hidden Cost of Skipping Pre-Shipment Confirmation
A buyer who confirms nothing beyond model and price will receive a machine that may physically arrive on time but cannot run on arrival. Wrong voltage burns out the motor within hours. Unconfirmed PLC language halts operator training before it starts. Pallet dimensions that do not match the curing yard force the buyer to rebuild the rack system or buy new forklifts. None of these problems show up in a factory test because the factory tests with their own power supply, their own pallets, and their own operators [NEED_CITE: voltage mismatch damage reports in exported industrial machinery].
Why Buyers Source This Machine Through Us
The Qt4-25 is specified as a matched system — press, pallet, mould, and stacking are quoted together so the buyer does not discover missing stations after arrival. Dispatch lead time is stated at inquiry, not buried in fine print after payment. Container loading plans include machine dismantling details so the buyer’s freight forwarder can book the correct container type and the receiving crew can plan the unload sequence. Customs documentation is prepared to match the destination port’s requirements, reducing hold-ups at clearance. Installation and commissioning support is scheduled around the confirmed arrival estimate, not left as an afterthought.
Documentation & Verification
- Line layout and capacity calculation stating the block format assumed for the 4600 pcs figure
- Voltage and control language confirmation signed off before production or dispatch
- Factory test record on the buyer’s specified pallet size and block format
- Container loading plan with dismantling details and packing photographs
- Mould drawing and format list covering hollow, solid, and paver stone options
Installation, Commissioning & Support
- Site foundation must accommodate the 6400 × 1500 × 2700 mm machine footprint with level concrete pad
- Dedicated circuit rated for 16.58 kW at the buyer’s confirmed voltage and frequency
- Machine arrives dismantled for container fit — reassembly guided by hydraulic and electrical schematics
- First-run testing covers molding cycle tuning, vibration force adjustment, and PLC language verification
- Operator training on pallet feeding sequence, material scraping adjustment, and mould change procedure
- Wear parts list and one-year warranty with free parts supply for vibration motor and hydraulic components
What to Prepare Before Requesting a Quote
To give you a meaningful dispatch timeline and container plan, we need your target block format and dimensions, your site’s confirmed voltage and frequency, the preferred PLC display language, and the pallet size already in use at your curing yard if you are adding this machine to an existing line. Share your project start date so we can work the shipping schedule backwards from that deadline.
Frequently Asked Questions
Q: Which models are in stock and how fast can the Qt4-25 ship?
A: The Qt4-25 is held as a stocked automatic block machine in stock with dispatch lead time quoted at inquiry. Before the container loads, we confirm voltage, frequency, and PLC language to your local standard. This pre-shipment verification typically adds a short window to the timeline but prevents commissioning failures at destination. The exact dispatch date is stated in writing when you place the order.
Q: How do you confirm voltage and control language before dispatch?
A: We request your site’s voltage, frequency, and preferred PLC display language at the inquiry stage. These values are written into the order confirmation and verified on the factory floor before packing. The Qt4-25 motor and control panel are configured and powered up under those exact conditions. Packing photographs showing the confirmed settings are sent to you before the container door seals.
Q: What does container loading look like for the Qt4-25?
A: The machine is dismantled into sections that fit a standard container alongside the pallet rack, mould set, and stacking equipment. A loading plan is shared with your freight forwarder so the correct container type is booked. Dismantling and packing photographs document every component before it leaves our yard, and customs documentation is prepared to match your destination port’s requirements.
Q: What is the estimated arrival time from order to port of destination?
A: Arrival time depends on the destination port, shipping line schedules, and customs clearance speed at your end. We quote an arrival estimate based on confirmed dispatch date and the most direct available route. Buyers working to a project deadline should share their target start date so we can confirm whether the shipping window aligns before the order is placed.
Q: Are moulds and pallets included in the shipped package?
A: Yes. The Qt4-25 ships with pallets sized at 850 × 480 mm and moulds for the block formats specified in your order, which can include hollow blocks, solid blocks, and paver stone bricks. If your curing yard or forklift uses a different pallet size, tell us at inquiry so we can address compatibility before the machine leaves the factory.








