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Cox Drive 21B 21"

Push / Walk-Behind mower · Model CD21B · Residential-duty · Gas

A$1,399 Cox Australia RRP (inc. GST)

Recommended retail price in Australian dollars, read 13 Oct 2026 from the Cox Australia product page.

Sold in Australia — listed on coxmowers.com.au, checked 13 Oct 2026.

Dealers set the final price; delivery, assembly and any local offer are extra and are not tracked here.

The Cox Drive 21B 21 in is a residential-grade gas walk-behind mower, suited to small-to-mid home lawns, with a 21-inch deck. It weighs 105.8 lb (48 kg).

At a glance

Power Source
gas
Cutting Width
21 in (533 mm)
Weight
106 lbs (48 kg)
Compare similar mowers See how this mower compares with machines of a similar size and purpose.
  • Deck 533 mm (21 in) · Briggs & Stratton, 190 cc · RRP A$1,679
    Why: Same class: push / walk-behind · Same 21 in deck · Gas engine, like this model · Residential-duty, like this model · By Victa, a different maker
    Compare with the Drive 21B 21 in ›
  • Deck 533 mm (21 in) · Honda GXV160, 163 cc · RRP A$1,899
    Weight 52 kg (115 lbs) (this model: 48 kg (106 lbs))
    Why: Same class: push / walk-behind · Same 21 in deck · Gas engine, like this model · Residential-duty, like this model · By Bushranger, a different maker
    Compare with the Drive 21B 21 in ›
  • Deck 533 mm (21 in) · Air cooled, single cylinder OHV, vertical shaft, normally aspirated petrol four stroke engine, 196 cc · RRP A$1,399
    Weight 52 kg (115 lbs) (this model: 48 kg (106 lbs))
    Why: Same class: push / walk-behind · Same 21 in deck · Gas engine, like this model · Residential-duty, like this model · By Bushranger, a different maker
    Compare with the Drive 21B 21 in ›
  • Deck 530 mm (20.9 in) · 201 cc · RRP A$1,799
    Why: Same class: push / walk-behind · 20.9 in deck, within 2 in of this model's 21 in · Gas engine, like this model · Residential-duty, like this model · By Honda, a different maker
    Compare with the Drive 21B 21 in ›
  • Deck 530 mm (20.9 in) · 4.3 hp, 163 cc
    Weight 53 kg (117 lbs) (this model: 48 kg (106 lbs))
    Why: Same class: push / walk-behind · 20.9 in deck, within 2 in of this model's 21 in · Gas engine, like this model · Residential-duty, like this model · By Kubota, a different maker
    Compare with the Drive 21B 21 in ›

Chosen by stated rules, not opinion: same class, a deck within 2 in of this one, the same kind of power and a compatible duty class, then the closest power, weight and price, with other makers preferred. Figures are the manufacturers’ published ones; nothing is estimated.

Engine

Cox Drive 21B 21 in engine specifications
Power Sourcegas
Engine MakeKohler
Engine ModelKohler XTX775

Deck

Cox Drive 21B 21 in deck specifications
Cutting Width21 in (533 mm)
Deck MaterialCast Alloy

Dimensions

Cox Drive 21B 21 in dimensions specifications
Weight106 lbs (48 kg)

Similar models

Other push / walk-behind mowers with comparable specs — including other brands — that buyers cross-shop with the Drive 21B 21 in.

Independent reference database. Specs compiled from manufacturer sources and normalized for comparison; verify with the manufacturer or dealer before purchase.

What the specs work out to

Figures MowerFacts computes from Cox’s own numbers — not published by the manufacturer.

Gate & trailer fit

  • 32 in gateFits
  • 36 in gateFits
  • 48 in gateFits

Needs at least 27 in of clearance (estimated).

Fit uses the deck width plus 6 in for the discharge chute, because Cox doesn't publish an overall width — measure before buying if a gate is tight.

Source: Cox (manufacturer) · archived copy

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