Identify the installation by the manufacturer's series and typical dimensions, then check tooth rings and segments, side wear plates, shafts, gearboxes, bearings and confirmed spare-part references.
This guide covers wear parts, drive spares and drawing-based manufacture. MMD Sizer tooth profiles, centre distances, inlet lengths and drives vary with material and project. Before manufacture, confirm the nameplate, full model, serial number, general arrangement and drawing revision.
The table follows MMD's current published series and typical dimensions. Dimensions and weight vary with tooth profile, inlet length, centre-distance arrangement and drive configuration.
| Sizer series | Manufacturer's typical height | Manufacturer's typical width / weight | Identification and application notes |
|---|---|---|---|
| 200 / 350 Series | Overall height 400 mm | Small series; confirm other dimensions for the configuration | Lower throughput and smaller product size |
| 500 Series | Height 615 mm | Width 1870 mm / approximately 12 t | Primary, secondary or tertiary configurations; fixed centres, adjustable centres or single rotor |
| 625 Series | Height 770 mm | Width 2090 mm / approximately 26 t | Typically primary or secondary crushing at medium throughput |
| 750 / 850 Series | Height 1330 mm | Width 2400 mm / approximately 40 t | Higher throughput; primary or secondary duty according to tooth configuration |
| 1000 Series | Height 1590 mm | Width 3020 mm / approximately 60 t | Larger centre distance; often combined with a 750 Series secondary machine |
| 1300 Series | Height 1845 mm | Width 3600 mm / approximately 95 t | High-throughput overburden and large-scale mining materials |
| 1500 Series | Height 2195 mm | Confirm width and weight for the configuration | A large Sizer series currently listed by MMD |
The numbers on the diagram correspond one to one with the rows below.
| No. | Component | Location | Applies to |
|---|---|---|---|
| 1 | Sizer rotor assemblies | Two toothed rotors inside the upper sizing chamber | 500 Series OEM pictured configuration |
| 2 | Sizing teeth | Yellow teeth around the sizer rotors | 500 Series OEM pictured configuration |
| 3 | Main frame | Green supporting frame around the rotors | 500 Series OEM pictured configuration |
| 4 | Drive assembly | Green drive housing at the rotor end on the right | 500 Series OEM pictured configuration |
Identify tooth rings and segments, tooth caps, side wear plates, breaker bars, cleaning combs, fasteners and roll shells by position. The cards link to component and material guides.
Tooth Ring / Tooth Segment
Mounted around the crushing shaft, their profile, tooth count, angle and arrangement determine material capture and discharge. Confirm the series, shaft position, segment angle and original drawing.
View the component guide →
Tooth Cap & Retention Assembly
Includes tooth caps and their retention structures. Confirm the mounting section, fastening method, hole pattern and tooth profile; appearance alone does not establish interchangeability.
View the component guide →Side Wear Plate / End Plate
Located at the chamber sides and ends to contain material and protect the housing. Confirm profile, hole pattern, thickness and installation clearances against the general arrangement and installed parts.
View the component guide →Breaker Bar Cap / Cleaning Comb
Breaker-bar caps help control final product size; cleaning combs clear tooth roots in sticky, wet material. Identify each by machine configuration and installation position.
View the component guide →
Tooth Segment Bolt & Fastener
Carry alternating impact, clamping and vibration loads. Check threads, head design, strength class, preload and matching washers together.
View the component guide →Roll Shell / Drum
These load-bearing structures mount tooth segments and transmit torque. Confirm axial length, outside diameter, segment interfaces, keys or splines and dynamic-balance requirements.
View the component guide →Drive spares are listed separately. Confirm gearboxes, couplings, shafts, bearings, housings and fluid couplings against the complete installed interfaces.
Roll Shaft Assembly
Includes the main shaft, tooth-segment mounting zone, end connections and support interfaces. Confirm the full series, shaft position, rotation direction, general arrangement and shaft-system drawing.
View the component guide →
Bearing & Bearing Housing
Carry radial and axial loads in the low-speed, high-torque shaft system. Check bearing clearance, housing bore, seals and lubrication connections as a complete assembly.
View the component guide →
Sizer Gearbox Assembly
A core assembly in the MMD Sizer's low-speed, high-torque drive. Before quoting, confirm gearbox model, ratio, input and output ends, installation orientation and interfaces.
View the component guide →Gear Coupling Assembly
Connect the drive to the shaft system and accommodate limited installation misalignment. Check external-tooth hubs, internal-tooth sleeves, seals and lubrication arrangements together against interface dimensions.
View the component guide →
Fluid Coupling
Provide soft starting and overload protection. Confirm the full coupling model, fluid-fill requirements, input/output interfaces and protective configuration.
View the component guide →No. Confirm shaft position, segment angle, tooth arrangement, fastening method, serial number and drawing revision. The references here help narrow the search.
MMD's current Sizer Range presents 750 / 850 together. Distinguish actual parts by full model and project configuration.
No. Grade is only an initial filter. Also check part position, impact and abrasion conditions, section size, heat treatment, hardness gradient, flaw detection and drawing requirements.
Provide the full model, serial number, shaft position, segment angle, drawing, installed-part photographs, drawings, material and operating conditions. These support identification, material assessment, manufacturing coordination, quality control and finished-part delivery.
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ANRANST provides customers worldwide with engineering assessment, production at certified foundries to the customer technical requirements, quality control and finished-part delivery for custom wear parts and industrial spares, with scope to support other custom industrial parts.
We review mating surfaces and interface dimensions and assess material, heat treatment and manufacturing feasibility.
Material grades and heat-treatment processes are specified order by order, stated in the technical agreement and tracked through production.
Drawing confirmation, material and process control, production tracking, inspection and acceptance coordination.
We coordinate manufacturing, quality confirmation, packaging and delivery of complete finished parts in a workable, closed-loop supply process.
Provide the existing model, drawings, drawing, materials or operating conditions so we can identify the appropriate technical review and supply route.
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