Fryer ET-21
Image: fryermachine.com, Fryer
Key Specifications
Max Spindle
Spindle Power
Accuracy
Repeatability
max swing
swing over cross slide
How much does the Fryer ET-21 cost?
Price estimate
We do not have a price for the Fryer ET-21 that we can stand behind, so we show no number. Configuration, options and installation move the final price a long way: a quote is the reliable figure.
Overview
The Fryer ET-21 starts the larger half of the Easy Turn range. Swing over the bed is 21 in (533 mm), the standard center distance is 60 in (1,524 mm), and the spindle bore is 3.40 in (86 mm) on a Camlock D1-8 nose. Against the ET-18 almost every capacity row steps up: a 15 hp (11.2 kW) peak motor, 12 in (305 mm) of X travel, 57 in (1,448 mm) of Z travel and 3,000 lb (1,361 kg) of supported part weight.
Bed length is configurable in both directions. Fryer lists 40 in (1,016 mm), 80 in (2,032 mm) and 120 in (3,048 mm) center distances as options, with Z travels of 37 in (940 mm), 77 in (1,956 mm) and 117 in (2,972 mm). A shop turning pump shafts or rolls picks the bed first and the rest follows from it.
This is also where the ET line gains milling. An 8 station bi-directional live tool automatic turret with VDI-30 tooling is offered for the ET-21 and ET-25 only, together with a 'C' axis contouring and indexing spindle that keeps the gearbox for torque at low speed. Cross holes, keyways and flats can then be done in the same chucking as the turning.
Speed is traded for torque. The spindle runs 50 - 2,000 rpm across a 50 - 300 rpm low range and a 300 - 2,000 rpm high range with auto shift. Big Bore Option #2 opens the bore to 4.01” on an A2-11 nose and holds speed to 1,500 rpm; Fryer notes that it requires 380-500 VAC or a special transformer. The machine weighs 7,500 lb (3,402 kg).
Full Specifications
| Parameter | Value |
|---|---|
| Max Swing | 21 in (533 mm) |
| Swing Over Cross Slide | 12 in (305 mm) |
| Center Height | 10.5 in (267 mm) |
| Distance Between Centers | 60 in (1,524 mm); 40 in (1,016 mm), 80 in (2,032 mm) or 120 in (3,048 mm) optional |
| Bed Width | 14 in (356 mm) |
| Cross Slide Width | 8.5 in (216 mm) |
| X Axis Travel | 12 in (305 mm) |
| Z Axis Travel | 57 in (1,448 mm) |
| Z Axis Travel Optional | 37 in (940 mm), 77 in (1,956 mm), 117 in (2,972 mm) |
| Ballscrew Diameter | 1.625 in (41 mm) Z; 1.00 in (25 mm) X |
| Max Part Weight Unsupported | 800 lb (363 kg) |
| Max Part Weight Supported | 3,000 lb (1,361 kg) |
| Spindle Nose | Camlock D1-8; A2-11 with the big bore option |
| Spindle Bore | 3.40 in (86 mm); 4.01 in (102 mm) with the big bore option |
| Spindle Nose Taper | Straight |
| Spindle Motor Power | 15 hp (11.2 kW) peak |
| Max Spindle Speed | 50 - 2,000 rpm; 1,500 rpm maximum with the big bore option |
| Spindle Speed Ranges | Low 50 - 300 rpm; High 300 - 2,000 rpm (1,500 rpm with the big bore option) |
| Speed Selection | Auto shift |
| Tailstock Quill Travel | 5.5 in (140 mm) |
| Tailstock Quill Diameter | 2.5 in (64 mm) |
| Tailstock Quill Taper | MT-5 |
| Positioning Accuracy | +/- 0.0002 in (0.0051 mm) |
| Repeatability | +/- 0.0001 in (0.0025 mm) |
| Rapid Traverse Xz | 400 ipm (10.2 m/min) |
| Servo Type | AC Digital Brushless |
| Axis Thrust | 3,058 lb (1,387 kgf) X; 3,504 lb (1,589 kgf) Z |
| Air Requirement | 90 psi (6.2 bar), 5 cfm (142 L/min) |
| Coolant Capacity | 10 gal (38 L) |
| Coolant Flow | 2 gpm (7.6 L/min) |
| Power Requirement | 35 A |
| Voltage Requirement | 208-250 VAC, 3 phase (380-500 VAC optional) |
| Shipping Dimensions | 106 x 76 x 68 in (2,692 x 1,930 x 1,727 mm) |
| Machine Dimensions | 106 x 78 x 68 in (2,692 x 1,981 x 1,727 mm) |
| Machine Weight | 7,500 lb (3,402 kg) |
Specifications sourced from fryermachine.com — verified 2026-10-04
Strengths & Limitations
Strengths
- 3.40 in (86 mm) spindle bore as standard, 4.01” with Big Bore Option #2
- Center distance of 60 in (1,524 mm), with 40, 80 and 120 in beds available as options
- Live tool turret (VDI-30) and 'C' axis spindle are offered for this size
- 15 hp (11.2 kW) peak motor with an auto-shift low range of 50 - 300 rpm
- Supported part weight of 3,000 lb (1,361 kg)
Limitations
- Top speed is 2,000 rpm, or 1,500 rpm with the big bore option
- Swing over the cross slide is 12 in (305 mm), well under the 21 in (533 mm) swing over the bed
- Big Bore Option #2 requires 380-500 VAC or a special transformer
- Unsupported part weight is limited to 800 lb (363 kg)
Best For
Frequently Asked Questions
01
The standard distance between centers is 60 in (1,524 mm), giving 57 in (1,448 mm) of Z travel. Fryer lists 40 in (1,016 mm), 80 in (2,032 mm) and 120 in (3,048 mm) center distances as options, with Z travels of 37 in (940 mm), 77 in (1,956 mm) and 117 in (2,972 mm).
02
As an option. The options sheet lists an 8 station bi-directional live tool automatic turret with VDI-30 tooling for the ET-21 and ET-25 only, and a 'C' axis contouring and indexing spindle package with a locking disk brake and a Heidenhain rotary scale.
03
3.40 in (86 mm) as standard, on a Camlock D1-8 spindle nose. Big Bore Option #2 for the ET-21 and ET-25 includes a 4.01” spindle bore, an A2-11 2 speed headstock and a 15 HP (peak) motor with a maximum of 1,500 rpm.
04
50 - 2,000 rpm, with auto shift between a low range of 50 - 300 rpm and a high range of 300 - 2,000 rpm. The motor is rated 15 hp (11.2 kW) peak. Rapid traverse on X and Z is 400 ipm (10.2 m/min).
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